{"id":9213,"date":"2024-03-17T21:43:49","date_gmt":"2024-03-17T13:43:49","guid":{"rendered":"https:\/\/acenoxkitchenequipment.com\/?p=9213"},"modified":"2024-03-17T21:43:50","modified_gmt":"2024-03-17T13:43:50","slug":"top-5-common-refrigerants-in-commercial-refrigeration-equipment","status":"publish","type":"post","link":"https:\/\/acenoxkitchenequipment.com\/vi\/top-5-common-refrigerants-in-commercial-refrigeration-equipment\/","title":{"rendered":"Top 5 Ch\u1ea5t L\u00e0m L\u1ea1nh Th\u00f4ng D\u1ee5ng Trong Thi\u1ebft B\u1ecb \u0110i\u1ec7n L\u1ea1nh Th\u01b0\u01a1ng M\u1ea1i"},"content":{"rendered":"
\n
\"refrigerant\"\/<\/figure><\/div>\n\n\n

Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n

V\u1ec1 \u0111i\u1ec7n l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i, t\u00f9y ch\u1ecdn ch\u1ea5t l\u00e0m l\u1ea1nh x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng trong vi\u1ec7c cung c\u1ea5p ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u1edbi c\u01a1 c\u1ea5u chi ph\u00ed thu\u1eadn l\u1ee3i. Tr\u01b0\u1edbc m\u1ed1i quan t\u00e2m ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 t\u00ednh b\u1ec1n v\u1eefng, ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n l\u1ea1nh ng\u00e0y c\u00e0ng b\u1ecb c\u00e1c nh\u00e0 m\u00f4i tr\u01b0\u1eddng ch\u1ec9 tr\u00edch, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi lo\u1ea1i ch\u1ea5t l\u00e0m l\u1ea1nh m\u00e0 n\u00f3 li\u00ean quan.<\/p>\n\n\n\n

Khoa h\u1ecdc \u0111\u1eb1ng sau c\u00f4ng ngh\u1ec7 l\u00e0m l\u1ea1nh c\u0169ng r\u1ea5t th\u00fa v\u1ecb, v\u00ec ch\u1ea5t l\u00e0m l\u1ea1nh ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ed9c \u0111\u00e1o \u0111\u1ec3 h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0 mang nhi\u1ec7t ra kh\u1ecfi n\u01a1i b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m. Qu\u00e1 tr\u00ecnh n\u00e0y c\u1ea7n thi\u1ebft cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m tr\u01b0ng b\u00e0y \u0111\u1ed3 u\u1ed1ng trong c\u1eeda h\u00e0ng ti\u1ec7n l\u1ee3i v\u00e0 tr\u01b0ng b\u00e0y m\u00e1y l\u00e0m l\u1ea1nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong si\u00eau th\u1ecb. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i gi\u1ea3i quy\u1ebft c\u1ee5 th\u1ec3 ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang v\u00e0 s\u1ef1 thay \u0111\u1ed5i sang c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb \u0111i\u1ec7n l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i l\u00e0 g\u00ec?<\/h2>\n\n\n\n
\"commercial<\/figure>\n\n\n\n

M\u1eb7c d\u00f9 ch\u00fang ta \u0111ang n\u00f3i ch\u1ee7 y\u1ebfu v\u1ec1 thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i, nh\u01b0ng danh m\u1ee5c n\u00e0y bao g\u1ed3m nhi\u1ec1u lo\u1ea1i m\u00e1y c\u00f3 m\u1ed9t \u0111i\u1ec3m chung: t\u00ednh n\u0103ng l\u00e0m m\u00e1t ho\u1eb7c \u0111\u00f4ng l\u1ea1nh. C\u00e1c thi\u1ebft b\u1ecb bao g\u1ed3m m\u00e1y l\u00e0m l\u1ea1nh tr\u01b0ng b\u00e0y th\u01b0\u01a1ng m\u1ea1i, t\u1ee7 l\u1ea1nh c\u00f3 tay c\u1ea7m, m\u00e1y l\u00e0m \u0111\u00e1 c\u00f3 tay c\u1ea7m, m\u00e1y l\u00e0m \u0111\u00e1, t\u1ee7 tr\u01b0ng b\u00e0y l\u1ea1nh v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i t\u1ee7 \u0111\u00f4ng ng\u1ef1c, t\u1ee7 \u0111\u00f4ng \u0111\u1ea3o, v.v.<\/p>\n\n\n\n

Ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb \u0111i\u1ec7n l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i?<\/h2>\n\n\n\n

Thu\u1eadt ng\u1eef ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh \u0111\u1ec3 h\u1ea5p th\u1ee5 nhi\u1ec7t m\u00f4i tr\u01b0\u1eddng xung quanh v\u00ec n\u1ed9i dung c\u1ee7a b\u1ed9 ph\u1eadn l\u00e0m l\u1ea1nh tr\u1edf n\u00ean l\u1ea1nh ho\u1eb7c \u0111\u00f4ng l\u1ea1nh. Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00e3 tr\u1ea3i qua m\u1ed9t s\u1ef1 thay \u0111\u1ed5i trong c\u00e1c lo\u1ea1i ch\u1ea5t l\u00e0m l\u1ea1nh.<\/p>\n\n\n\n

\u0110\u1ea7u ti\u00ean, ch\u00fang ta h\u00e3y xem t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0y \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng:<\/p>\n\n\n\n

Ch\u1ea5t l\u00e0m l\u1ea1nh R22 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m suy gi\u1ea3m t\u1ea7ng ozone l\u00e0 0,055 v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 1700; Ch\u1ea5t l\u00e0m l\u1ea1nh R404a c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m suy gi\u1ea3m t\u1ea7ng ozone l\u00e0 0 v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 4540; Ch\u1ea5t l\u00e0m l\u1ea1nh R410A c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m suy gi\u1ea3m t\u1ea7ng ozone l\u00e0 0 v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 2340; Ch\u1ea5t l\u00e0m l\u1ea1nh R134a c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m suy gi\u1ea3m t\u1ea7ng ozone l\u00e0 0 v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 1600; Ch\u1ea5t l\u00e0m l\u1ea1nh R290 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m suy gi\u1ea3m t\u1ea7ng ozone l\u00e0 0 v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 3.<\/mark><\/p>\n\n\n\n

\u25cf R-22 (Chlorodifluoromethane)<\/h3>\n\n\n
\n
\"commercial<\/figure><\/div>\n\n\n

R-22 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t l\u00e0m l\u1ea1nh ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ee7 l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i trong nhi\u1ec1u n\u0103m nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3. M\u1eb7t kh\u00e1c, h\u1ed3 s\u01a1 ODP v\u00e0 GWP c\u1ee7a n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 qu\u00e1 l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u01b0u \u0111i\u1ec7n, v\u00e0 v\u00ec \u0111i\u1ec1u n\u00e0y, n\u00f3 \u0111\u00e3 ph\u1ea3i b\u1ecb lo\u1ea1i b\u1ecf d\u1ea7n \u1edf h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia c\u1ea5p h\u1ea1ng. Gi\u1edbi h\u1ea1n ti\u00eau th\u1ee5 nghi\u00eam ng\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c thi v\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ec7n \u0111ang nghi\u00ean c\u1ee9u t\u00ednh kh\u1ea3 thi c\u1ee7a vi\u1ec7c thay th\u1ebf ch\u00fang trong c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3.<\/p>\n\n\n\n

\u25cf R-404A<\/h3>\n\n\n\n

R-404A l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a c\u00e1c lo\u1ea1i ch\u1ea5t l\u00e0m l\u1ea1nh tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n ch\u00ednh trong th\u1ebf gi\u1edbi th\u01b0\u01a1ng m\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c t\u1ee7 \u0111\u00f4ng ph\u1ee5c v\u1ee5 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u0110\u00e2y l\u00e0 ng\u00f4i sao c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh tr\u01b0ng b\u00e0y c\u00e1c s\u1ea3n ph\u1ea9m h\u00ecnh qu\u1ea3 tr\u1ee9ng trong th\u1eddi ti\u1ebft l\u1ea1nh v\u00ec hi\u1ec7u qu\u1ea3 v\u00e0 n\u0103ng su\u1ea5t cao. Ng\u01b0\u1ee3c l\u1ea1i, kh\u00ed R-404A l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed nh\u00e0 k\u00ednh m\u1ea1nh, c\u0169ng n\u1eb1m trong danh s\u00e1ch c\u00e1c lo\u1ea1i kh\u00ed g\u00e2y ra bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu m\u00e0 ng\u01b0\u1eddi d\u00e2n v\u00e0 c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o th\u1ebf gi\u1edbi t\u00ecm c\u00e1ch ng\u0103n ch\u1eb7n v\u00e0 t\u1ed3n t\u1ea1i, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 th\u00fac gi\u1ee5c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u00ecm ra c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf m\u1edbi th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/mark> C\u00f4ng ngh\u1ec7 l\u00e0m l\u1ea1nh lo\u1ea1i R404A c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 x\u1ea3 c\u1ee7a m\u00e1y n\u00e9n qu\u00e1 cao. Khi nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh m\u00e1y n\u00e9n v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb b\u00ecnh th\u01b0\u1eddng, n\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng c\u1ee7a m\u00e1y n\u00e9n m\u00e0 c\u00f2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng cacbon h\u00f3a d\u1ea7u b\u00f4i tr\u01a1n, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t k\u00e9m v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a m\u00e1y n\u00e9n. M\u1eb7c d\u00f9 gi\u00e1 tr\u1ecb GWP cao kh\u00f4ng tr\u1ef1c ti\u1ebfp g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn t\u1ea7ng ozone nh\u01b0ng c\u00e1c kh\u00ed nh\u00e0 k\u00ednh s\u1ebd t\u1ed3n t\u1ea1i trong kh\u00ed quy\u1ec3n, h\u1ea5p th\u1ee5 nhi\u1ec7t, do \u0111\u00f3 g\u00e2y ra hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh. Hi\u1ec7n nay, Ch\u00e2u \u00c2u \u0111ang d\u1ea7n lo\u1ea1i b\u1ecf d\u1ea7n c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh R22 v\u00e0 R404A v\u00ec gi\u00e1 tr\u1ecb ODP v\u00e0 GWP c\u1ee7a hai ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0y v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n, g\u00e2y ra nh\u1eefng \u1ea3nh h\u01b0\u1edfng c\u1ef1c k\u1ef3 x\u1ea5u \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

\u25cf R-134a (Tetrafluoroethane)<\/h3>\n\n\n\n

C\u00e1c lo\u1ea1i kh\u00ed nh\u00e0 k\u00ednh nh\u01b0 R-134a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ee7 l\u1ea1nh t\u1ea1i nhi\u1ec1u c\u01a1 s\u1edf kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 \u00f4 t\u00f4. R-22 \u0111\u00e3 b\u1ecb lo\u1ea1i kh\u1ecfi nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng t\u00f9y ch\u1ecdn kh\u00f4ng c\u00f3 ODP n\u00e0y. Tuy nhi\u00ean, R-134a c\u00f3 x\u1ebfp h\u1ea1ng GWP cao, \u0111i\u1ec1u n\u00e0y kh\u00f4ng t\u00e1n th\u00e0nh c\u00e1c c\u00f4ng ngh\u1ec7 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ng\u01b0\u1ee1ng m\u1ed9.<\/p>\n\n\n\n

\u25cf R-290 (Propan)<\/h3>\n\n\n\n

R-290 tr\u1edf th\u00e0nh ch\u1ea5t l\u00e0m l\u1ea1nh hydrocarbon ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng \u0111\u01b0\u1ee3c b\u00ecnh ch\u1ecdn l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Ch\u1ea5t l\u00e0m l\u1ea1nh R-290 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 ODPI v\u00e0 GWPI, v\u00e0 do \u0111\u00f3 R-290 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh xanh t\u1ed1t nh\u1ea5t hi\u1ec7n c\u00f3. Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3 cho c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i, t\u1eeb t\u1ee7 tr\u01b0ng b\u00e0y \u0111\u1ebfn t\u1ee7 \u0111\u00f4ng, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c nh\u00e0 b\u00e1n l\u1ebb s\u1eed d\u1ee5ng c\u00e1c m\u00e1y n\u00e0y.<\/p>\n\n\n\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> R290 c\u00f3 \u0111\u1eb7c t\u00ednh d\u1ec5 ch\u00e1y n\u1ed5 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng n\u1ea1p b\u1ecb h\u1ea1n ch\u1ebf.<\/mark> M\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a n\u00f3 l\u00e0 A3. Khi s\u1eed d\u1ee5ng m\u00f4i ch\u1ea5t l\u1ea1nh R290 c\u1ea7n h\u00fat b\u1ee5i v\u00e0 c\u1ea5m ng\u1ecdn l\u1eeda m\u1edf v\u00ec c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p d\u1ec5 n\u1ed5 khi tr\u1ed9n v\u1edbi kh\u00f4ng kh\u00ed (oxy). C\u00f3 nguy c\u01a1 ch\u00e1y n\u1ed5 khi ti\u1ebfp x\u00fac v\u1edbi ngu\u1ed3n nhi\u1ec7t v\u00e0 ng\u1ecdn l\u1eeda tr\u1ea7n.<\/p>\n\n\n\n

\u25cf R-600a (Isobutan)<\/h3>\n\n\n\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 R-290, l\u00e0 lo\u1ea1i hydrocarbon c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh th\u00e1i n\u1ed5i b\u1eadt nh\u01b0 gi\u00e1 tr\u1ecb GWP v\u00e0 ODP th\u1ea5p. Ph\u1ea7n l\u1edbn h\u01a1n c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh nh\u1ecf h\u01a1n v\u00e0 n\u1ed5i ti\u1ebfng l\u00e0 v\u1eeba hi\u1ec7u qu\u1ea3 v\u1eeba \u00edt g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng. R-600a, do t\u00ednh ch\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec1u l\u1ee3i \u00edch b\u1ed5 sung, hi\u1ec7n l\u00e0 l\u1ef1a ch\u1ecdn ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u1ea7u ti\u00ean cho c\u00e1c thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i m\u1edbi.<\/p>\n\n\n\n

Th\u1ec3 t\u00edch gi\u1edbi h\u1ea1n ch\u00e1y n\u1ed5 c\u1ee7a m\u00f4i ch\u1ea5t l\u1ea1nh R600a l\u00e0 t\u1eeb 1,9% \u0111\u1ebfn 8,4%. M\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a n\u00f3 l\u00e0 A3. N\u00f3 c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p n\u1ed5 khi tr\u1ed9n v\u1edbi kh\u00f4ng kh\u00ed. C\u00f3 nguy c\u01a1 ch\u00e1y n\u1ed5 khi ti\u1ebfp x\u00fac v\u1edbi ngu\u1ed3n nhi\u1ec7t v\u00e0 ng\u1ecdn l\u1eeda tr\u1ea7n. N\u00f3 ph\u1ea3n \u1ee9ng d\u1eef d\u1ed9i v\u1edbi ch\u1ea5t oxy h\u00f3a.<\/p>\n\n\n\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ch\u1ea5t l\u00e0m l\u1ea1nh R600a kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ee7 l\u1ea1nh l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed.<\/mark> N\u00f3 \u0111\u00f2i h\u1ecfi b\u1ea3o tr\u00ec cao. Khi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m l\u1ea1nh R600a trong h\u1ec7 th\u1ed1ng l\u1ea1nh kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 g\u00e2y ra \u00e1p su\u1ea5t qu\u00e1 m\u1ee9c, ti\u1ebfng \u1ed3n m\u00e1y b\u1ea5t th\u01b0\u1eddng v\u00e0 r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y n\u00e9n.<\/p>\n\n\n\n

Ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0o t\u1ed1t nh\u1ea5t \u0111\u1ec3 l\u00e0m m\u00e1t?<\/h2>\n\n\n\n

Trong nhi\u1ec1u th\u1eadp k\u1ef7, R-22 v\u00e0 R-404A t\u1eeb l\u00e2u \u0111\u00e3 \u0111\u01b0\u1ee3c coi l\u00e0 ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn v\u00ec hi\u1ec7u qu\u1ea3 l\u00e0m m\u00e1t cao, nh\u01b0ng \u0111i\u1ec1u n\u00e0y \u0111\u00e3 thay \u0111\u1ed5i trong th\u1eadp k\u1ef7 qua khi c\u00e1c hydrocacbon nh\u01b0 R-290 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i. Kh\u00ed t\u1ee7 l\u1ea1nh xanh \u0111ang nhanh ch\u00f3ng gi\u00e0nh \u0111\u01b0\u1ee3c danh ti\u1ebfng v\u00ec ch\u00fang k\u1ebft h\u1ee3p t\u1ed1t gi\u1eefa hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 v\u00e0 t\u00ednh b\u1ec1n v\u1eefng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong \u0111i\u1ec7n l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i.<\/p>\n\n\n\n

Ch\u1ea5t l\u00e0m l\u1ea1nh cho t\u1ee7 l\u1ea1nh v\u00e0 t\u1ee7 \u0111\u00f4ng th\u01b0\u01a1ng m\u1ea1i?<\/h2>\n\n\n\n
\"refrigerant<\/figure>\n\n\n\n

R-134a, R-600a v\u00e0 R290 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t l\u00e0m l\u1ea1nh ph\u1ed5 bi\u1ebfn trong t\u1ee7 l\u1ea1nh, c\u00f2n R-404A v\u00e0 R-290 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong t\u1ee7 \u0111\u00f4ng do hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang trong vi\u1ec7c lo\u1ea1i b\u1ecf nhi\u1ec7t \u1edf tr\u1ea1ng th\u00e1i nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi xu h\u01b0\u1edbng n\u00e0y, h\u1ea7u h\u1ebft c\u00e1c t\u1ee7 l\u1ea1nh v\u00e0 t\u1ee7 \u0111\u00f4ng hi\u1ec7n nay \u0111\u1ec1u hoan ngh\u00eanh vi\u1ec7c s\u1eed d\u1ee5ng R-290 v\u00e0 R-600a v\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang r\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

Ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t?<\/h2>\n\n\n\n

Nh\u01b0 \u0111\u00e3 bi\u1ebft, ch\u1ea5t l\u00e0m l\u1ea1nh thu\u1ed9c lo\u1ea1i hydrocarbon th\u1ea3i ra trong \u0111i\u1ec7n l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i truy\u1ec1n th\u1ed1ng g\u00e2y ra m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng l\u1edbn c\u1ea7n ph\u1ea3i chuy\u1ec3n sang R-290 v\u00e0 R-600a. Ch\u1ea5t l\u00e0m l\u1ea1nh c\u00f3 t\u00ednh ch\u1ea5t nh\u01b0 v\u1eady kh\u00f4ng \u0111\u1ec3 l\u1ea1i nhi\u1ec1u d\u1ea5u ch\u00e2n cho m\u00f4i tr\u01b0\u1eddng; ng\u01b0\u1ee3c l\u1ea1i, ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng kinh ng\u1ea1c. C\u00e1c c\u00f4ng ty v\u00e0 nh\u00e0 khai th\u00e1c chi\u1ebfn th\u1eafng trong cu\u1ed9c thi mang l\u1ea1i c\u01a1 h\u1ed9i s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 xanh \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

K\u1ebft h\u1ee3p ch\u1ea5t l\u00e0m l\u1ea1nh v\u1edbi m\u1eabu m\u00e1y n\u00e9n<\/h2>\n\n\n\n

M\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 li\u1ec7u ch\u1ea5t l\u00e0m l\u1ea1nh c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi ki\u1ec3u m\u00e1y n\u00e9n \u0111\u00e3 ch\u1ecdn hay kh\u00f4ng. Nhi\u1ec1u m\u00f4 h\u00ecnh kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0 Embraco, m\u1ecdi m\u00f4 h\u00ecnh th\u00f4ng minh \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t ch\u00ednh x\u00e1c \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady cao nh\u1ea5t. V\u00ed d\u1ee5: m\u1ed9t trong nh\u1eefng m\u00e1y n\u00e9n c\u1ee7a Embraco \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 s\u1eed d\u1ee5ng R-290, do \u0111\u00f3, c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3 c\u1ee7a ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0y c\u00f3 th\u1ec3 t\u0103ng c\u00f4ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng. \u0110i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 ch\u1ecdn \u0111\u1ed9 n\u00e9n c\u1ee7a m\u00f4 h\u00ecnh ch\u1ea5t l\u00e0m l\u1ea1nh v\u00e0 ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1eadn h\u00e0nh th\u00edch h\u1ee3p.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n sang s\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m l\u1ea1nh sinh th\u00e1i m\u1ed9t c\u00e1ch d\u1ee9t kho\u00e1t cho thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh th\u01b0\u01a1ng m\u1ea1i l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a c\u00e1c quy \u0111\u1ecbnh v\u00e0 l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111i t\u00e1o b\u1ea1o h\u01b0\u1edbng t\u1edbi s\u1ef1 b\u1ec1n v\u1eefng. \u0110\u1ed1i v\u1edbi Quy \u0111\u1ecbnh v\u1ec1 Kh\u00ed F, v\u1ed1n \u0111ang d\u1ea7n lo\u1ea1i tr\u1eeb c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u cao nh\u01b0 R-22 v\u00e0 R-404A, nh\u1eefng ch\u1ea5t n\u00e0y hi\u1ec7n \u0111ang chuy\u1ec3n sang c\u00e1c ch\u1ea5t thay th\u1ebf nh\u01b0 R-290 v\u00e0 R-600a. Nh\u1eefng s\u1eeda \u0111\u1ed5i n\u00e0y th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean cao h\u01a1n trong vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. \u0110\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7 s\u1ebd \u0111\u01b0a ch\u1ea5t l\u00e0m l\u1ea1nh an to\u00e0n h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0o th\u1ecb tr\u01b0\u1eddng. L\u1ef1a ch\u1ecdn n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn b\u1edfi h\u00e0nh \u0111\u1ed9ng c\u00e2n b\u1eb1ng tinh t\u1ebf trong \u0111\u00f3 vi\u1ec7c l\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3 s\u1ebd \u0111i \u0111\u00f4i v\u1edbi tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi h\u00e0nh tinh m\u00e0 ch\u00fang ta \u0111\u01b0\u1ee3c giao ph\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"

Introduction Regarding commercial refrigeration, the refrigerant option determines the system’s capability to provide efficient and environmentally friendly operation with a favorable cost structure. In light of the growing interest in sustainability, the refrigeration industry is getting increasingly criticized by environmentalists, especially for the kind of refrigerants it involves. The science behind refrigeration technology is also […]<\/p>","protected":false},"author":1,"featured_media":9218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"categories":[254],"tags":[],"table_tags":[],"_links":{"self":[{"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/posts\/9213"}],"collection":[{"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/comments?post=9213"}],"version-history":[{"count":0,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/posts\/9213\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/media\/9218"}],"wp:attachment":[{"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/media?parent=9213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/categories?post=9213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/tags?post=9213"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/acenoxkitchenequipment.com\/vi\/wp-json\/wp\/v2\/table_tags?post=9213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}