{"id":3493,"date":"2024-03-19T10:52:11","date_gmt":"2024-03-19T02:52:11","guid":{"rendered":"https:\/\/www.lneya.com\/news\/circulator.html"},"modified":"2024-03-19T11:02:33","modified_gmt":"2024-03-19T03:02:33","slug":"circulator","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/fr\/news\/circulator.html","title":{"rendered":"Analyse des principes de fonctionnement d'un circulateur de r\u00e9frig\u00e9ration et de chauffage"},"content":{"rendered":"<p>\t\t\t\t\t\tAvec le d\u00e9veloppement continu de la technologie, de plus en plus d'\u00e9quipements de r\u00e9frig\u00e9ration sont apparus dans nos vies, tels que : les circulateurs de r\u00e9frig\u00e9ration et de chauffage, en fait, ils ne sont pas ordinaires, ce sont des \u00e9quipements de r\u00e9frig\u00e9ration remarquables. Les circulateurs frigorifiques...<\/p>\n<p>Le circulateur de r\u00e9frig\u00e9ration et de chauffage utilise une quantit\u00e9 limit\u00e9e de r\u00e9frig\u00e9rant dans un syst\u00e8me de r\u00e9frig\u00e9ration ferm\u00e9 pour comprimer, condenser, dilater et \u00e9vaporer le r\u00e9frig\u00e9rant de mani\u00e8re r\u00e9p\u00e9t\u00e9e, et absorbe continuellement la chaleur et la vaporise \u00e0 l'\u00e9vaporateur pour effectuer le refroidissement et la r\u00e9frig\u00e9ration. L'utilisation d'un dispositif de r\u00e9frig\u00e9ration permet de refroidir l'objet \u00e0 une temp\u00e9rature inf\u00e9rieure \u00e0 la temp\u00e9rature ambiante et de maintenir la basse temp\u00e9rature en d\u00e9pla\u00e7ant la chaleur d'un objet \u00e0 basse temp\u00e9rature (tel qu'un entrep\u00f4t frigorifique) vers un objet \u00e0 haute temp\u00e9rature.<\/p>\n<p>Un param\u00e8tre important de la <a href=\"https:\/\/tw.lneya.com\/fr\/special-chiller\/heating-and-cooling-machine\/\" target=\"_blank\" rel=\"noopener\">r\u00e9frig\u00e9ration chauffage circulateur<\/a> est le coefficient de r\u00e9frig\u00e9ration, \u00e9galement appel\u00e9 coefficient de fonctionnement du groupe frigorifique, indiqu\u00e9 par le symbole COP. Le circulateur frigorifique Xiaobian dit \u00e0 tout le monde qu'\u00e0 une certaine temp\u00e9rature ambiante, plus la temp\u00e9rature de stockage du froid est basse, plus le coefficient de r\u00e9frig\u00e9ration est faible.<\/p>\n<p>Quels sont donc ses avantages ?<\/p>\n<p>L'ensemble de la circulation du liquide est herm\u00e9tique, avec un vase d'expansion, le vase d'expansion et la circulation du liquide sont adiabatiques, ne participent pas \u00e0 la circulation du liquide, mais sont reli\u00e9s m\u00e9caniquement, que la temp\u00e9rature de la circulation du liquide soit \u00e9lev\u00e9e ou que le fluide dans le vase d'expansion \u00e0 basse temp\u00e9rature soit inf\u00e9rieur \u00e0 60 degr\u00e9s .<\/p>\n<p>L'ensemble de la circulation des liquides est un syst\u00e8me ferm\u00e9. Il n'y a pas d'absorption de vapeur d'eau \u00e0 basse temp\u00e9rature. Il n'y a pas de brouillard d'huile \u00e0 haute temp\u00e9rature. L'huile caloporteuse peut avoir une temp\u00e9rature de fonctionnement \u00e9lev\u00e9e ; les vannes m\u00e9caniques et \u00e9lectroniques ne sont pas utilis\u00e9es dans l'ensemble du syst\u00e8me de circulation.<\/p>\n<p>Next, let&#8217;s look at the refrigeration principle of the refrigeration heating circulator.<\/p>\n<div style=\"text-align:center;\">\n\t<img decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2023\/05\/1508209871354585.png\" alt=\"\">\n<\/div>\n<p><strong>Cycle de r\u00e9frig\u00e9ration \u00e0 air comprim\u00e9<\/strong><\/p>\n<p>\u00c9tant donn\u00e9 qu'il n'est pas facile de chauffer l'air et d'\u00e9vacuer la chaleur \u00e0 temp\u00e9rature constante, il n'est pas possible d'utiliser le cycle invers\u00e9. Dans le cycle de r\u00e9frig\u00e9ration de l'air comprim\u00e9, deux processus \u00e0 pression constante sont utilis\u00e9s pour remplacer les deux processus \u00e0 temp\u00e9rature constante du cycle invers\u00e9, de sorte qu'il peut \u00eatre consid\u00e9r\u00e9 comme un cycle invers\u00e9. Dans les applications techniques, le compresseur peut \u00eatre \u00e0 piston ou \u00e0 roue.<\/p>\n<p><strong>Cycle de r\u00e9frig\u00e9ration \u00e0 vapeur comprim\u00e9e<\/strong><\/p>\n<p>Le cycle de r\u00e9frig\u00e9ration inverse de la vapeur comprim\u00e9e peut \u00eatre th\u00e9oriquement r\u00e9alis\u00e9, mais un \u00e9tat de siccit\u00e9 trop faible se produira, ce qui n'est pas propice \u00e0 la compression de mat\u00e9riaux \u00e0 deux phases. Les circulateurs de chauffage frigorifique, qui vous indiquent que pour \u00e9viter les facteurs d\u00e9favorables, augmenter l'efficacit\u00e9 du refroidissement et simplifier l'\u00e9quipement, les vannes d'\u00e9tranglement (ou vannes d'expansion) sont souvent utilis\u00e9es \u00e0 la place des d\u00e9tendeurs dans les applications pratiques.<\/p>\n<p>Le cycle de r\u00e9frig\u00e9ration \u00e0 vapeur comprim\u00e9e utilise une substance \u00e0 faible point d'\u00e9bullition comme r\u00e9frig\u00e9rant, et utilise la pression constante dans la zone de vapeur humide pour d\u00e9terminer la temp\u00e9rature, et la r\u00e9frig\u00e9ration endothermique par gaz\u00e9ification \u00e0 pression constante \u00e0 basse temp\u00e9rature peut surmonter certains des inconv\u00e9nients de l'air comprim\u00e9 et de la circulation d'air comprim\u00e9 r\u00e9g\u00e9n\u00e9rative susmentionn\u00e9s.<\/p>\n<p><strong>Cycle de r\u00e9frig\u00e9ration \u00e0 absorption<\/strong><\/p>\n<p>Le cycle de r\u00e9frig\u00e9ration par absorption utilise les diff\u00e9rentes caract\u00e9ristiques de solubilit\u00e9 du r\u00e9frig\u00e9rant \u00e0 diff\u00e9rentes temp\u00e9ratures dans la solution, de sorte que le r\u00e9frig\u00e9rant est absorb\u00e9 par l'absorbant (c'est-\u00e0-dire le solvant) \u00e0 une temp\u00e9rature et une pression plus basses, tout en le produisant \u00e0 une temp\u00e9rature et une pression plus \u00e9lev\u00e9es. Il s'\u00e9vapore de la solution et compl\u00e8te le cycle \u00e0 des fins de r\u00e9frig\u00e9ration.<\/p>","protected":false},"excerpt":{"rendered":"<p>With the continuous development of technology, more and more refrigeration equipment has appeared in our lives, such as: refrigeration and heating circulators, in fact, they are not ordinary, are remarkable refrigeration equipment. The refrigeration heating circulator uses a limited amount of refrigerant in a closed refrigeration system to repeatedly compress, condense, expand, and evaporate the 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