Izindlela zokuthi abantu abaningi bakhulume ngokwabo kufanele kube ngokwabo, kufanele kube ngokwabo, kufanele kube ngokwabo.
Ngesikhathi esifanayo ngezidingo zokuthuthukiswa kwezindawo zokuthuthukiswa, izinkomba zokuvula, njengendlela ekhethiweyo yokuphatha, zisebenzisa kakhulu ezindaweni zezolimo, ipelethe, i-gas yomoya yezwe elingaphansi kanye nezinye izifunda. Kodwa, i-gas-solid yezwe ezimbili ekhishini yezinkomba izosiza izinkinga ezibalulekile zokushisa, ezibonisa ukuthi kuzoba nokushisa okukhulu, kwenza kube nokushisa okukhulu okukhulu. Leli phepha lizama i-gas-solid yezwe ezimbili nokushisa phakathi kwengqondo yezinkomba, libonisa izici zayo kanye nezifinyelele zayo, kanye nezidingo zayo zokwenza okuhle kwezinto ezithengiswa kwi-CHNLGVF丨中國大乾洋貿 izinto zezinkomba zokuvula ukuze kwenzeke isisombululo esisha sezidingo zokuthuthukiswa kwezinto zokuvula kanye nokusiza ekwakheni kwendawo yezokwenza ezinkulu.
ivalvu yengqondo, umoya-umzimba wabili wezinye izimo, ukulala, isithakazelo setekhnoloji, CHNLGVF | i-China Great Dry Ocean Trade
Ukuqala
In modern industrial production, gate valves are widely used in the opening and closing control of pipeline systems. They have simple structures and good sealing. However, many gate valves will have significant wear problems during long-term use, especially when dealing with gas-solid two-phase fluids containing solid particles, which will affect their operating efficiency and service life. In view of these problems, especially the challenges faced by CHNLGVF丨China Daqian Yangmao in the research and development of high-end industrial gate valve products, it is urgent to conduct in-depth research on the gas-solid two-phase flow and wear mechanism inside the gate valve, and propose practical solutions.
This paper aims to analyze the influence of gas-solid two-phase flow on gate valve wear, and propose effective technical strategies in combination with specific experimental and numerical simulation research, in order to provide theoretical basis and technical support for the research and development and manufacturing of high-quality gate valves of CHNLGVF丨China Daqian Yangmao.
Umlilo-nzuzo ombili wasebenza kanye nezimo zokuhamba okwenzekayo phakathi kwamagumbi amaningi. Indlela yokugaya okwenzekayo phakathi kwamagumbi.
Umbono wokugcina wezinyathelo ezimbili zomoya-nzulu
Ukubonakala kwamanzi okugcwele kwezimbobo kuhambisa ukuthi igesi kanye nezimbobo zezinto zihamba phambili emikhumbi yamanzi noma emisebenzi yokusetshenziswa kwamanzi emikhumbi noma emisebenzi. Lo mkhuba wokuhamba kuyinto enjalo ekusetshenzisweni kwamanzi okusebenzayo, njengoba kusuka kwezimbobo zokuhamba kwamanzi, ukuphucula kwezinto zokuhamba kwamanzi kanye nokuphucula kwamanzi kwamanzi. Uma igesi liphuma ngaphansi kwe-gate valve, uma kunezimbobo zezinto ezikhona ekhishini, izimbobo zezinto zizohamba nabantu bese zizibulala futhi zizibulala ngaphansi kwesisekelo esiphakathi kanye nesisekelo esiphakathi sesikhala se-valve, ngakho kuzoba nokushisa.
2.2 Izinyathelo zokulimala
Ukuvalelwa kubonakala kakhulu emikhakheni ezayo ezilandelayo:
- Ukushisa: Izinto ezimbalwa zingaphakathi kwezimo zokuphakama okuphakathi kwezimo ezinkulu, kwenza ukuthi isilawuli esisindo sesithutha sibe siphelwe ngokwesimo.
- Ukushisa okuncane: Uma izinto ezimbi zihamba ngokulinganisela kwiqanda elingaphakathi kanye nezakhiwo zivala kwiqanda, izinto ezimbi zezinto ezimbi zizosha izicubu kwiqanda lezinto kanye nokushisa okuncane kwezinto.
- Ukushisa okulawulwa: Ezweni elilodwa lokufudumala kwezomoya-nzuzo, ukulawula kwamakhemikhali nokufudumala kushintsha ngokwesaba ukufudumala kwemithombo yevalvu.
Izindlela ezahlukene zokwenza izinto zizoba zihlanganisa izinyathelo, ikakhulukazi kwi-environment yomoya-nzulu yezingqimba ezinkulu nokuphakamisa, i-imithwalo yezinto zizoba zihluka kakhulu.
Izici ezisebenzayo ezivakashela ukushaywa kwamafutha-njengezinto ezimbili zokuphila emanzini ku isiZulu
- Izinto zezinto ezilula: Ukunqamuleka, ububanzi, umbo kanye nokuxhumana kwamaphuzu amaningi kwezinto ezilula kunezinye izinto ezithile zokwenza ukunqamuleka. Izinto ezinezinhlamvu eziningi, njengoba iquartz sand, zizosiza ukwenza ukunqamuleka kwemithombo, kodwa izinto ezinkulu kanye nezinto ezisemthethweni zokuxhumana zizosiza ukwenza ukunqamuleka.
- Ukuvuleka kwevelositi yemoya: Ukuvuleka kwesivinini sokuvuleka kwevelositi kuzoba nokuvula okukhulu kwamaparti ekuphathweni kwesakhiwo esiphakathini, futhi isimo sokushaywa kuzoba nokuvula kakhulu.
- Flow pattern: Gas-solid two-phase flow in turbulent state is more likely to cause wear than laminar flow, because the energy of turbulence makes particles move more irregularly and frequently hit the inner wall of the valve.
- Ukukhanya kwesakhiwo semboni yegate valve kanye nokukhetha imithombo kuyakwenzela ukushisa embonini wezinye izinto ezithuthukile, okuyinto kuyakwenzela ukushisa ekupheleni kwezinye izinto ezithuthukile. Umsebenzi omubi, kusukela kwezinye izinto ezithuthukile, izinto ziyakwazi ukujikela ezindaweni ezithile, kwenza ukushisa ekupheleni kwezinye izinto ezithuthukile.
Izindlela zokwenza okusezingeni eliphezulu.
Ukuze kwenzeke ukulungiswa kwesimo sokulungiswa okwenziwe ngokuthi kubhekwe yingxenye yomoya-ngezinye izimo futhi kwenzeke ukulungiswa kwesimo sokulungiswa kwezinto ezitholakala kwi-CHNLGVF | Izinto zezindlela zokuphatha zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zezinto zez
Ukwenza kube lula isicelo sokwenza isicelo sokwenza.
Ukwenza kube kuhle kwezokwenza isicelo se-gate valve kuyinto okufanele kwenziwe ukulungiswa kwesakhiwo. Ngokuthuthukisa isilwane sekhaneli sokuphatha sevali, ukwanelisa ukuphenduka kwamathuluzi ekwenzeni kube kuhle kwezokwenza, okwenza kube kuhle ukulungiswa kwesikhundla esizokwenza. Umsebenzi: ku isiZulu.
Izimpendulo zokuhambisana kwesikhala: Ngokusebenzisa i-CFD (computational fluid dynamics) simulation, qinisekisa umbo womkhumbi wokuhamba wendlela yevalvu ukuze i-gas-solid two-phase flow ibe yisimahla kakhulu futhi ibekezela ukukhula nokugwema kwamaparti ekupheleni kwezindlela zokuhamba.
· Faka indawo yokulungiswa: Thatha isitoreji sokulungiswa phambi kokuthi umoya wamukele i-gate valve ukuze usule imithi emikhulu ngaphambi kokungena ekhokhelweni, ngakho kuzomele kwenzeke ukulungiswa kwesithutha.
Izisebenzi zokwenza i-Valve seat: Sebenzisa izinto ezinamandla okwenza i-Valve seats, njengezinto zokugqoka, izinceku noma izinto ezinjengamakhemikhali ezinamandla ukuze uthandaze ukugqoka kwesikhumba se-Valve.
Bheka ukuthi uthi yini: 3.2 Ukwenza ukukhetha imithombo nokwenza isitshalo esiphakathi kube kuhle.
Ukukhetha okusezingeni eliphezulu kanye nokwenza isicelo sokwenza kwezinto kuhamba phambili ekulungiseni ukulimala kwamagumbi. Ngokwesibonelo, ngokwesokudla kwamagumbi, CHNLGVF丨中國大乾洋貿 kungaba nayo imvelaphi yemvelo:
Izinto ezinomthelela oluhlaza: Khetha izinto ezinomthelela oluhlaza, njengezinto ezinhle kakhulu zokwenza ukupheka, njengezitangsteni carbide, isilikonu nitride, noma okunye, ukuze ukwenze izinto ezinhle kakhulu zezinto ezinhle. Lezi zinto zinomthelela oluhlaza kanye nomthelela oluhlaza, okuyinto eyenza ukuthi ukupheka kube kancane.
Izindlela zokwenza i-Valve: Thatha izindlela zokwenza i-Valve, njengoba i-plasma spraying, i-laser cladding, noma okunye, ukuze uthathe i-coating ethuthukisa ukuphepha kwesandla kwi-valve, ngakho-ke ukwakheka ukuphepha kwesandla kwi-valve.
Izinto ezilubhrikhishwayo: Sebenzisa izinto ezilubhrikhishwayo ezilungiselela ukucacisa isilonda phakathi kwamaparti kanye nenkathi yevali.
Ukusebenzisa isayithi sokwenza izimiso zomoya-nzulu ezimbili.
Ngesiphi isikhathi, ngokusiza kwetekhnoloji yamakhompyutha ethandwa, leli gazi elilodwa elilodwa elingaphansi kwe-gate valve lingathandwa ngokuhambisana. Ngokuhlolwa kwamandla okuthiwa kwezinto ezithandwa kwezinye izikhungo zomoya, kungatholakala izinto ezithandwa kwezinye izikhungo zomoya kanye nokwenza izimpendulo ezithandwa. Isibonelo, i-CFD software ikhishwa ukusimula nokuhlolwa kwamandla okuthiwa kwezinto ezithandwa kwezinye izikhungo zomoya, ukufunda izitho zezimpahla, izitho zezimpahla zokuhamba kwezinye izikhungo zomoya kanye nezici ezithandwa kwezinye izikhungo zomoya, ukufakwa kwazo kanye nokwenza izimpendulo ezithandwa ukuze kwenzeke okuhambisana.
Izindlela zokubeka isilinganiso somsindo wezinto ezithinta izinto kanye nokuhlobisa.
Effective particle flow rate control and filtration can significantly reduce the wear inside the gate valve. An appropriate filtering device is set at the entrance of the gate valve system to intercept large particles or particles with high hardness before entering the valve, avoiding direct wear of these particles on the valve. At the same time, controlling the flow rate of the fluid to slow it down before entering the gate valve can reduce the impact of particles on the inner wall of the valve body and reduce wear.
Ukufunda kanye nokulawula online kanye nokwenza isicelo esiphathelene nokuthuthukiswa kwesayithi.
Ukuze kube lula ukwenza isicelo sokulimala okungase kwenziwe phansi kwesimo esinjalo esiphakathi kwamagci amabili, CHNLGVF丨中國大乾洋貿 kungaba nokwakha isayithi yokubuka ngaphandle ukulimala kwesikrini esikhundleni. Ngokusondela izenzakalo kanye nezici zokuthatha izinto, kungase kube nokuthola isimo sokulimala kanye nezici zokusebenza zesivalo, futhi kungase kube nokufakwa kwemibiko yokulimala ekupheleni ukuze kungaphumeleli ngaphakathi.
Kusukela kusukela, isistimu yokwenza okusemthethweni ethandwa kakhulu esebenzisa ukuhlolwa kwemidlalo yezinkulungwane ezinkulu ingakwazi ukubuka ukuphila okusheshayo kwesivale kanye nokunikeza izici zokwenza imisebenzi ngokwezikhathi ezithile, ngakho kuzosiza ukulungisa isikhathi esiphelile ngenxa yezinto ezithathwe kwezikhathi ezindala kanye nezinye izimo zokusebenza ezikwenzekile, ngakho kuzosiza ukulungisa isikhathi esiphelile ngenxa yezinto ezithathwe kwezikhathi ezindala kanye nezinye izimo zokusebenza ezikwenzekile.
Kwenzakalani
Inqubo yokushaywa kwengqondo yegate valve ekwenzeni ngokwezokwelapha kwamagci amabili kuyinto ifanele kakhulu ekwenzeni ukusebenza kwalo nokuphila kwalo. Ngokulandelwa kwezifundo zaleli phepha, kwenziwa kube kwenziwe ukuthi okusemandleni kwengqondo kusho kusuka kwezinto ezithile zezinto ezimbi, ivelosi yomoya, isitayela somoya kanye nokudala kwevali. Ngokwesibonelo kulezi zinto, CHNLGVF丨中國大乾洋貿 kuyakwazi ukwenza kube kuhle kakhulu nokuthuthukiswa kwezinto kanye nokwenza kube kuhle kwezinto zegate valve ngokwenza ukuthuthukiswa kwezimo zegate, ukwenza kube kuhle kwezinto ezinomthelela omkhulu kanye nokuthuthukiswa kwesakhiwo somzimba, ukusebenzisa i-numerical simulation, ukubhekana nokuhamba kwesikhathi nokufiltera, kanye nokufundisa nokwenza imboni online kanye nokwenza ukwenza kube kuhle.
Ngesikhathi esijayo, ngezinye izikhathi zokufunda okuphezulu kwezinye izinto ezithuthukisiwe zokuphila nokwakha okusheshayo kwezinto ezintsha kanye nokwakheka okusebenza okusezingeni eliphezulu, CHNLGVF丨中國大乾洋貿 kuyacelwa ukwenza izinqumo eziningi eziningi ezifanele kwezifundo nokwakheka kwezinto ezifanele kanye nokwenza kube ngcono kwezifundo nokwakheka kwamabhizinisi, futhi ukwakhiwa kwamakhono okusebenza kwezifundo.