{"id":2450,"date":"2024-03-19T10:48:38","date_gmt":"2024-03-19T02:48:38","guid":{"rendered":"https:\/\/www.lneya.com\/news\/solution-is-too-cold-and-too-hot.html"},"modified":"2024-03-19T10:48:38","modified_gmt":"2024-03-19T02:48:38","slug":"solution-is-too-cold-and-too-hot","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/ja\/news\/solution-is-too-cold-and-too-hot.html","title":{"rendered":"\u30a8\u30c1\u30ec\u30f3\u30b0\u30ea\u30b3\u30fc\u30eb\u30fb\u30c1\u30e9\u30fc\u306e\u6eb6\u6db2\u304c\u51b7\u305f\u3059\u304e\u3001\u71b1\u3059\u304e\u308b\u3002"},"content":{"rendered":"<p class=\"MsoNormal\">\n\t<span>When the ethylene glycol chiller solution<br \/>\nis overheated and overcooled during operation, if you don&#8217;t understand these<br \/>\nconditions well, you will not be able to operate the equipment well.<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span><\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<img decoding=\"async\" src=\"https:\/\/tw.lneya.com\/wp-content\/uploads\/2023\/05\/20211108084227461.jpg\" alt=\"\"><\/p>\n<p class=\"MsoNormal\">\n\t<span>The supercooling phenomenon of the solution<br \/>\nof the glycol chiller refers to the condensed saturated liquid is re-cooled by<br \/>\na certain device and method, so that the temperature is lower than the<br \/>\nsaturation temperature under the condensing pressure. -The occurrence of<br \/>\nsubcooling can reduce the flash gas generated by the refrigerant liquid in the<br \/>\nthrottling process, reduce the specific volume of the flash gas, increase the<br \/>\nunit refrigeration capacity, and increase the superheat of the return gas,<br \/>\nwhich protects the compressor Wet stroke operation has certain advantages.<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span><\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span>The overheating of the ethylene glycol<br \/>\nchiller solution refers to the difference between the saturation temperature<br \/>\nand the saturation temperature after overheating, which is called the degree of<br \/>\nsuperheat. The method of measuring the degree of superheat is to measure the<br \/>\nevaporation pressure as close as possible to the temperature sensor bulb,<br \/>\nconvert the reading to temperature, and then subtract the temperature from the<br \/>\nactual temperature measured at the temperature sensor bulb. The degree of overheating<br \/>\nshould be between 5-8<\/span>\u00b0<span>C. A high degree of superheat will cause the compressor discharge<br \/>\ntemperature (discharge superheat) to increase, and the compressor&#8217;s operating<br \/>\nconditions will deteriorate and its service life will be reduced. Therefore,<br \/>\nthe degree of inhalation superheat should be controlled within a certain range.<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span><\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span>Due to the length and thermal insulation of<br \/>\nthe solution return pipe (suction pipe) of the glycol chiller, the steam in the<br \/>\npipe is transferred to the outside and heated. This phenomenon is called<br \/>\n&#8220;inhalation overheating&#8221; or &#8220;pipe overheating&#8221;. This kind<br \/>\nof overheating will increase the suction temperature of the compressor and<br \/>\nincrease the specific volume of the suction steam, resulting in a decrease in<br \/>\nthe refrigeration capacity per unit volume and a decrease in the refrigeration<br \/>\ncapacity of the compressor. This is detrimental to the refrigeration cycle.<br \/>\nThis problem is called &#8220;Harmful overheating.&#8221; Therefore, shorten the<br \/>\nlength of the suction pipe as much as possible to reduce this harmful<br \/>\noverheating.<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span><\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span>In some fluorine refrigeration systems that<br \/>\nuse expansion valves, the degree of superheat is used to adjust the degree of<br \/>\nopening of the thermal expansion valve. This phenomenon is called<br \/>\n&#8220;beneficial overheating.&#8221; Similarly, the superheat generated by the<br \/>\nfluorine steam after reheating is also a beneficial superheat.<\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span><\/span>\n<\/p>\n<p class=\"MsoNormal\">\n\t<span>If the ethylene glycol chiller solution is<br \/>\ntoo cold or too hot, there are certain beneficial or harmful places. Please pay<br \/>\nattention to understand when you use it.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>When the ethylene glycol chiller solution is overheated and overcooled during operation, if you don&#8217;t understand these conditions well, you will not be able to operate the equipment well. The supercooling phenomenon of the solution of the glycol chiller refers to the condensed saturated liquid is re-cooled by a certain device and method, so that the temperature is lower than the saturation temperature under the condensing pressure. -The occurrence of subcooling can reduce the flash gas generated by the refrigerant liquid in the throttling process, reduce the specific volume of the flash gas, increase the unit refrigeration capacity, and increase the superheat of the return gas, which protects the compressor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[44],"tags":[],"class_list":["post-2450","post","type-post","status-publish","format-standard","hentry","category-news"],"metadata":{"views":["2115"],"_wp_old_date":["2023-05-16"],"_edit_last":["1"],"rank_math_og_content_image":["a:2:{s:5:\"check\";s:32:\"9f9702746b41ffae392fae916fbbf0be\";s:6:\"images\";a:1:{i:0;i:2451;}}"]},"taxonomy_info":{"category":[{"value":44,"label":"NEWS"}]},"featured_image_src_large":false,"author_info":{"display_name":"lneyaadmindy","author_link":"https:\/\/tw.lneya.com\/ja\/author\/lneyaadmindy"},"comment_info":0,"category_info":[{"term_id":44,"name":"NEWS","slug":"news","term_group":0,"term_taxonomy_id":44,"taxonomy":"category","description":"","parent":0,"count":803,"filter":"raw","cat_ID":44,"category_count":803,"category_description":"","cat_name":"NEWS","category_nicename":"news","category_parent":0}],"tag_info":false,"medium_url":false,"thumbnail_url":false,"full_url":false,"_links":{"self":[{"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/posts\/2450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/comments?post=2450"}],"version-history":[{"count":0,"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/posts\/2450\/revisions"}],"wp:attachment":[{"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/media?parent=2450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/categories?post=2450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tw.lneya.com\/ja\/wp-json\/wp\/v2\/tags?post=2450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}