{"id":1075,"date":"2024-06-03T14:47:38","date_gmt":"2024-06-03T06:47:38","guid":{"rendered":"https:\/\/www.tflequip.com\/?post_type=products&p=1075"},"modified":"2024-09-26T14:08:28","modified_gmt":"2024-09-26T06:08:28","slug":"ye3p","status":"publish","type":"products","link":"https:\/\/www.tflequip.com\/cs\/products\/ye3p\/","title":{"rendered":"YE3P"},"content":{"rendered":"

P\u0159edstavte str\u00e1nky<\/h2>\n

T\u0159\u00edf\u00e1zov\u00fd asynchronn\u00ed motor \u0159ady YE3P s prom\u011bnnou frekvenc\u00ed a regulac\u00ed ot\u00e1\u010dek p\u0159i n\u00edzk\u00e9m nap\u011bt\u00ed<\/p>\n

\u010c\u00edslo r\u00e1mu: H80-450 <\/span><\/p>\n

Kapacita: 0,55 ~ 1000 kW <\/span><\/p>\n

Po\u010det p\u00f3l\u016f: 2~12P <\/span><\/p>\n

Nap\u011bt\u00ed: 1000 V a ni\u017e\u0161\u00ed<\/span><\/p>\n

 <\/p>\n

Specifick\u00e1 norma pro rozd\u011blen\u00ed oblasti s nebezpe\u010d\u00edm v\u00fdbuchu prachu<\/h2>\n

Podle \u010detnosti a doby trv\u00e1n\u00ed v\u00fdbu\u0161n\u00e9ho prachov\u00e9ho prost\u0159ed\u00ed se v\u00fdbu\u0161n\u00e9 prachov\u00e9 prost\u0159ed\u00ed d\u011bl\u00ed na 3 z\u00f3ny.<\/span><\/span> P\u0159i v\u00fdb\u011bru prachot\u011bsn\u00e9ho motoru lze vhodn\u00fd motor ur\u010dit podle charakteristik m\u00edsta, kter\u00e9 odpov\u00eddaj\u00ed t\u0159\u00edd\u011b nev\u00fdbu\u0161nosti. <\/span><\/span><\/p>\n

Z\u00f3na 20: Prostor, ve kter\u00e9m se trvale nebo dlouhodob\u011b nebo kr\u00e1tkodob\u011b vyskytuje oblak ho\u0159lav\u00e9ho prachu ve vzduchu v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu. <\/span><\/span><\/p>\n

P\u0159\u00edklady m\u00edst, kde m\u016f\u017ee vzniknout 20 z\u00f3n: <\/span><\/span><\/p>\n

1, n\u00e1doba na prach uvnit\u0159 m\u00edsta; <\/span><\/span><\/p>\n

2, skladovac\u00ed n\u00e1dr\u017e, silo atd., cyklonov\u00fd odlu\u010dova\u010d prachu a filtr; <\/span><\/span><\/p>\n

3, krom\u011b p\u00e1su a n\u011bkter\u00fdch \u010d\u00e1st\u00ed syst\u00e9mu p\u0159enosu prachu \u0159et\u011bzov\u00e9ho dopravn\u00edku; <\/span><\/span><\/p>\n

4, m\u00edchadlo, ml\u00fdnek, su\u0161i\u010dka, nakl\u00e1dac\u00ed za\u0159\u00edzen\u00ed atd. <\/span><\/span><\/p>\n

Z\u00f3na 21: Pracovi\u0161t\u011b, kde se p\u0159i b\u011b\u017en\u00e9m provozu m\u016f\u017ee p\u0159\u00edle\u017eitostn\u011b vyskytovat v\u00fdbu\u0161n\u00e9 prost\u0159ed\u00ed v podob\u011b oblak\u016f ho\u0159lav\u00e9ho prachu v ovzdu\u0161\u00ed. <\/span><\/span><\/p>\n

Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f lze rozsah z\u00f3ny 21 ur\u010dit na z\u00e1klad\u011b vyhodnocen\u00ed zdroje uvol\u0148ov\u00e1n\u00ed spojen\u00e9ho s prost\u0159ed\u00edm, ve kter\u00e9m se v\u00fdbu\u0161n\u00e1 sm\u011bs prachu a vzduchu tvo\u0159\u00ed. <\/span><\/span><\/p>\n

P\u0159\u00edklady m\u00edst, kde m\u016f\u017ee vzniknout z\u00f3na 21: <\/span><\/span><\/p>\n

1, pokud je uvnit\u0159 prachov\u00e9 n\u00e1doby v\u00fdbu\u0161n\u00e1 sm\u011bs prachu a vzduchu, za \u00fa\u010delem provozu a \u010dast\u00e9ho p\u0159em\u00eds\u0165ov\u00e1n\u00ed nebo otev\u00edr\u00e1n\u00ed nejbli\u017e\u0161\u00edho vstupu a v\u00fdstupu z prachov\u00e9 n\u00e1doby ven; <\/span><\/span><\/p>\n

2, pokud nebyla p\u0159ijata \u017e\u00e1dn\u00e1 opat\u0159en\u00ed k zabr\u00e1n\u011bn\u00ed vzniku v\u00fdbu\u0161n\u00e9 sm\u011bsi prachu a vzduchu, v nejbli\u017e\u0161\u00edch m\u00edstech nakl\u00e1dky a vykl\u00e1dky, pod\u00e1vac\u00edch p\u00e1sech, m\u00edstech odb\u011bru vzork\u016f, vykl\u00e1dac\u00edch stanic\u00edch n\u00e1kladn\u00edch automobil\u016f, m\u00edstech vykl\u00e1dky p\u00e1s\u016f atd. mimo z\u00e1sobn\u00edk prachu; <\/span><\/span><\/p>\n

3, pokud dojde k nahromad\u011bn\u00ed prachu a v d\u016fsledku provozu procesu m\u016f\u017ee doj\u00edt k naru\u0161en\u00ed vrstvy prachu za vzniku v\u00fdbu\u0161n\u00e9 sm\u011bsi prachu a vzduchu, n\u00e1doba na prach mimo m\u00edsto; <\/span><\/span><\/p>\n

(4) M\u00edsta uvnit\u0159 z\u00e1sobn\u00edk\u016f prachu, kde se mohou vyskytovat v\u00fdbu\u0161n\u00e1 oblaka prachu (ale ne trvale, ani po dlouhou dobu, ani \u010dasto), jako je vnit\u0159ek z\u00e1sobn\u00edku s dlouh\u00fdm intervalem \u010di\u0161t\u011bn\u00ed (pokud je jen ob\u010das nakl\u00e1d\u00e1n a\/nebo vyprazd\u0148ov\u00e1n) a akumula\u010dn\u00ed strana filtru. <\/span><\/span><\/p>\n

Z\u00f3na 22: M\u00edsta, u nich\u017e je nepravd\u011bpodobn\u00e9, \u017ee by se v nich p\u0159i b\u011b\u017en\u00e9m provozu vyskytovala v\u00fdbu\u0161n\u00e1 prost\u0159ed\u00ed v podob\u011b oblak\u016f ho\u0159lav\u00e9ho prachu ve vzduchu, i kdy\u017e jen kr\u00e1tkodob\u011b. <\/span><\/span><\/p>\n

P\u0159\u00edklady m\u00edst, kde m\u016f\u017ee vzniknout 22 z\u00f3n: <\/span><\/span><\/p>\n

1, v\u00fdfukov\u00fdm otvorem z v\u011btrac\u00edho otvoru prachov\u00e9ho filtru, pokud jednou dojde k poru\u0161e, m\u016f\u017ee unikat v\u00fdbu\u0161n\u00e1 sm\u011bs prachu a vzduchu.<\/span><\/span> M\u00edsta v bl\u00edzkosti za\u0159\u00edzen\u00ed, kter\u00e1 se otev\u00edraj\u00ed jen z\u0159\u00eddka, nebo m\u00edsta v bl\u00edzkosti za\u0159\u00edzen\u00ed, kter\u00e1 jsou podle zku\u0161enost\u00ed n\u00e1chyln\u00e1 k \u00fanik\u016fm v d\u016fsledku v\u00fdron\u016f prachu p\u0159i vy\u0161\u0161\u00edm okoln\u00edm tlaku;<\/span><\/span> V bl\u00edzkosti t\u011bchto m\u00edst m\u016f\u017ee doj\u00edt k po\u0161kozen\u00ed pneumatick\u00fdch za\u0159\u00edzen\u00ed, pru\u017en\u00fdch spoj\u016f. <\/span><\/span><\/p>\n

2. Skladovac\u00ed s\u00e1\u010dky se spoustou pr\u00e1\u0161kov\u00fdch produkt\u016f.<\/span><\/span> B\u011bhem provozu m\u016f\u017ee doj\u00edt k selh\u00e1n\u00ed skladovac\u00edho vaku, co\u017e zp\u016fsob\u00ed \u0161\u00ed\u0159en\u00ed prachu. <\/span><\/span><\/p>\n

(3) Jsou-li p\u0159ijata opat\u0159en\u00ed k zabr\u00e1n\u011bn\u00ed vzniku v\u00fdbu\u0161n\u00e9 sm\u011bsi prachu a vzduchu, mohou b\u00fdt m\u00edsta obecn\u011b klasifikovan\u00e1 jako z\u00f3ny 21 sn\u00ed\u017eena na z\u00f3ny 22.<\/span><\/span> Mezi tato opat\u0159en\u00ed pat\u0159\u00ed ods\u00e1vac\u00ed ventilace.<\/span><\/span> Opat\u0159en\u00ed by m\u011bla b\u00fdt p\u0159ijata v bl\u00edzkosti m\u00edst nakl\u00e1dky a vykl\u00e1dky (prachov\u00fdch pytl\u016f), pod\u00e1vac\u00edch p\u00e1s\u016f, m\u00edst odb\u011bru vzork\u016f, stanic vykl\u00e1dky n\u00e1kladn\u00edch automobil\u016f, m\u00edst vykl\u00e1dky p\u00e1s\u016f atd. <\/span><\/span><\/p>\n

4 je pravd\u011bpodobn\u00e9, \u017ee dojde k naru\u0161en\u00ed tvorby \u0159\u00edzen\u00e9 (\u010dist\u00e9) vrstvy prachu a vznikne v\u00fdbu\u0161n\u00e1 sm\u011bs prachu a vzduchu.<\/span><\/span> Pouze pokud je vrstva prachu odstran\u011bna \u010di\u0161t\u011bn\u00edm p\u0159ed vznikem nebezpe\u010dn\u00e9 sm\u011bsi prachu a vzduchu, jedn\u00e1 se o m\u00edsto, kter\u00e9 nen\u00ed nebezpe\u010dn\u00e9. <\/span><\/span><\/p>\n

Z\u00f3na 21 je nejvy\u0161\u0161\u00ed stupe\u0148 nev\u00fdbu\u0161nosti prachot\u011bsn\u00e9ho motoru, kter\u00fd lze pou\u017e\u00edt m\u00edsto z\u00f3ny 22, a do z\u00f3ny 20 je zak\u00e1z\u00e1n vstup elektrick\u00e9ho spot\u0159ebi\u010de. <\/span><\/span><\/p>\n

Rozd\u00edl mezi B a A ve zna\u010dce odolnosti proti v\u00fdbuchu prachu: B znamen\u00e1, \u017ee nev\u00fdbu\u0161n\u00fd spojovac\u00ed povrch motoru je rovn\u00fd spojovac\u00ed povrch A a A znamen\u00e1, \u017ee nev\u00fdbu\u0161n\u00fd spojovac\u00ed povrch motoru je rovinn\u00fd spojovac\u00ed povrch a oba mohou b\u00fdt vz\u00e1jemn\u011b pou\u017eity. <\/span><\/span><\/p>\n

Tyto dv\u011b zna\u010dky odolnosti proti v\u00fdbuchu prachu se obecn\u011b neli\u0161\u00ed v cen\u011b, ale p\u0159i v\u00fdb\u011bru konstruk\u010dn\u00ed metody odolnosti proti plameni se li\u0161\u00ed, A21 a B21 maj\u00ed po\u017eadavky na t\u0159\u00eddu pou\u017eit\u00ed motoru odoln\u00e9ho proti v\u00fdbuchu v prachov\u00e9m prost\u0159ed\u00ed 21 z\u00f3n.<\/span><\/span><\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

T\u0159\u00edf\u00e1zov\u00fd asynchronn\u00ed motor \u0159ady YE3P s prom\u011bnnou frekvenc\u00ed a regulac\u00ed ot\u00e1\u010dek p\u0159i n\u00edzk\u00e9m nap\u011bt\u00ed<\/p>\n

\u010c\u00edslo r\u00e1mu: H80-450 <\/span><\/p>\n

Kapacita: 0,55 ~ 1000 kW <\/span><\/p>\n

Po\u010det p\u00f3l\u016f: 2~12P <\/span><\/p>\n

Nap\u011bt\u00ed: 1000 V a ni\u017e\u0161\u00ed<\/span><\/p>","protected":false},"featured_media":1077,"template":"","adweb_product_categories":[114],"adweb_product_tags":[299,295,296,298,117,297,293,294],"gallery":[1076],"order":null,"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_products\/1075"}],"collection":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media\/1077"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media?parent=1075"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_categories?post=1075"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_tags?post=1075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}