Bitcoin Forum
June 27, 2024, 01:30:43 PM
Welcome,
Guest
. Please
login
or
register
.
News
: Latest Bitcoin Core release:
27.0
[
Torrent
]
Home
Help
Search
Login
Register
More
Bitcoin Forum
>
Local
>
中文 (Chinese)
>
离题万里
>
为什么说净水器的RO反渗透膜要及时更换?看这张图就知道了
Pages: [
1
]
« previous topic
next topic »
Print
Author
Topic: 为什么说净水器的RO反渗透膜要及时更换?看这张图就知道了 (Read 141 times)
Josephierp
(OP)
Newbie
Offline
Activity: 35
Merit: 0
⇾
为什么说净水器的RO反渗透膜要及时更换?看这张图就知道了
July 01, 2017, 02:32:25 AM
#1
原标题:为什么说净水器的RO反渗透膜要及时更换?看这张图就知道了
我相信不少朋友都是冲着标题点进来的,不过作为正经科技媒体,身为作者我只能说,你们想看的,这篇文章里都没有。
当然,这个标题也不是无聊只为吸引眼球,今天笔者和您聊的正是一层薄薄的膜,只不过这层膜指的是净水器的过滤膜。这个话题到底有多“污”?先来张高清无码图各位感受下:
使用约6个月的净水器初滤膜
上图为使用约6个月的RO净水器初滤膜,为了让您对其使用情况有一个更直观的了解,笔者找了一张它的“生前照”:
刚买来的滤膜 那时它还是白色的
怎么样,这个“污力”够不够呢?短短的6个月时间,RO净水器的初滤膜就已经完全变色,经过这种滤芯净化的水,就问你敢喝么?
看到这里相信很多朋友都恨不得立马拆开家里的净水器一探究竟了,您先别急着担心,基本上所有家庭的净水器初滤膜长得都和上图差不多,这和RO净水器的过滤原理有很大关系:
RO净水器原理图
看见了吧,由PP棉制成的初滤膜是整个过滤程序的第一步,其主要作用是初过滤,拦截市政自来水中的泥沙、铁锈等肉眼可见的大颗粒物。PP棉凭借较强的化学兼容性和纳污能力让它能够有效吸附各种大颗粒物,这也是为什么仅仅6个月的时间它就已经变得这么“污”。
最核心的RO反渗透膜多位于初滤膜之后,其孔径仅有0.1纳米,要知道水分子的直径约为0.5纳米,在正常情况下,“胖胖”的水分子是无法通过反渗透膜的。不过在一定压力下,水分子还是可以挤过去的,而RO净水器过滤的关键就在于控制这个压力的大小,使得水分子刚好能过去而其他离子过不去,从而实现纯水的净化。
RO反渗透膜内部结构
那么问题来了,听上去这么黑科技的RO反渗透膜,其更换成本应该很贵吧?恩,的确挺贵的,目前主流品牌的RO反渗透膜滤芯单价约在500-1000元之间:
京东商城部分品牌RO反渗透膜滤芯售价
位于RO反渗透膜之后的活性炭滤膜主要作用是改善纯水的口感,其单次更换成本约为几百元:
京东商城部分品牌活性炭膜滤芯售价
而相比动辄上百甚至上千的前两者,文章开头提到的PP棉初滤膜可以说是白菜价了,主流品牌的PP棉初滤芯单价约为几十元:
京东商城部分品牌PP棉初滤膜售价
除了售价有较大差异,三种滤膜的使用寿命也是有很大区别的,以北京为例,初滤膜的使用寿命约为3个月左右,RO膜的使用寿命约为两年,活性炭膜的使用寿命则在6个月左右。
不同类型滤膜使用寿命及更换成本对比
这就带来一个很现实的问题,净水器滤膜该如何更换?很多人可能会说,答案这不明摆着么?
然而真相却是,笔者身边大部分朋友都不会根据滤芯的类型和使用寿命进行定期更换,原因很简单,更换太频繁,费钱。
但只需简单算一笔账我们就不难发现,最省钱的方案也是最“规矩”的方案,定期更换初滤膜不仅能够有效延长RO反渗透膜的使用寿命,同时也能避免二次污染,为家人带来最健康的饮水净化方案。
其实笔者写本文的目的很简单,就是为大部分人指出一个常见的误区,无论是RO净水器还是超滤净水器,如果不及时更换滤芯,只会造成更严重的二次污染。
尤其对于RO净水器来说,核心的RO反渗透膜更换成本是相当高的,初滤膜更换不及时,还会造成反渗透膜的寿命严重缩减,最终反而增加滤芯更换成本。无论从健康还是经济角度,定期更换净水器的滤膜都是相当重要的。
文章纠错
微信公众号搜索" 驱动之家 "加关注,每日最新的手机、电脑、汽车、智能硬件信息可以让你一手全掌握。推荐关注!【 微信扫描下图可直接关注】
阅读更多:净水器
好文共享:收藏文章
Pages: [
1
]
Print
Bitcoin Forum
>
Local
>
中文 (Chinese)
>
离题万里
>
为什么说净水器的RO反渗透膜要及时更换?看这张图就知道了
« previous topic
next topic »
Jump to:
Please select a destination:
-----------------------------
Bitcoin
-----------------------------
=> Bitcoin Discussion
===> Legal
===> Press
===> Meetups
===> Important Announcements
=> Development & Technical Discussion
===> Wallet software
=====> Electrum
=====> Bitcoin Wallet for Android
=====> BitcoinJ
=====> Armory
=====> Mycelium
=====> Hardware wallets
=> Mining
===> Mining support
===> Pools
===> Mining software (miners)
===> Hardware
=====> Group buys
===> Mining speculation
=> Bitcoin Technical Support
=> Project Development
-----------------------------
Economy
-----------------------------
=> Economics
===> Speculation
=> Marketplace
===> Goods
=====> Computer hardware
=====> Digital goods
=======> Invites & Accounts
=====> Collectibles
===> Services
===> Currency exchange
===> Gambling
=====> Games and rounds
=====> Investor-based games
=====> Gambling discussion
===> Lending
=====> Long-term offers
===> Securities
===> Auctions
===> Service Announcements
=====> Micro Earnings
===> Service Discussion
=====> Web Wallets
=====> Exchanges
=> Trading Discussion
===> Scam Accusations
===> Reputation
-----------------------------
Other
-----------------------------
=> Meta
===> New forum software
===> Bitcoin Wiki
=> Politics & Society
=> Beginners & Help
=> Off-topic
=> Serious discussion
===> Ivory Tower
=> Archival
===> Корзина
===> CPU/GPU Bitcoin mining hardware
===> Chinese students
===> Obsolete (buying)
===> Obsolete (selling)
===> MultiBit
-----------------------------
Alternate cryptocurrencies
-----------------------------
=> Altcoin Discussion
=> Announcements (Altcoins)
===> Tokens (Altcoins)
=> Mining (Altcoins)
===> Pools (Altcoins)
=> Marketplace (Altcoins)
===> Service Announcements (Altcoins)
===> Service Discussion (Altcoins)
===> Bounties (Altcoins)
=> Speculation (Altcoins)
-----------------------------
Local
-----------------------------
=> العربية (Arabic)
===> العملات البديلة (Altcoins)
=====> النقاشات
===> إستفسارات و أسئلة المبتدئين
===> التعدين
===> النقاشات الأخرى
===> منصات التبادل
=> Bahasa Indonesia (Indonesian)
===> Marketplace (Bahasa Indonesia)
===> Mining (Bahasa Indonesia)
===> Altcoins (Bahasa Indonesia)
===> Trading dan Spekulasi
===> Ekonomi, Politik, dan Budaya
===> Topik Lainnya
=> Español (Spanish)
===> Mercado y Economía
=====> Servicios
=====> Trading y especulación
===> Hardware y Minería
===> Esquina Libre
===> Mercadillo
=====> Mexico
=====> Argentina
=====> España
=====> Centroamerica y Caribe
===> Primeros pasos y ayuda
===> Altcoins (criptomonedas alternativas)
=====> Minería de altcoins
=====> Servicios
=====> Tokens (Español)
=> 中文 (Chinese)
===> 跳蚤市场
===> 山寨币
===> 媒体
===> 挖矿
===> 离题万里
=> Hrvatski (Croatian)
===> Trgovina
===> Altcoins (Hrvatski)
=====> Announcements (Hrvatski)
===> Off-topic (Hrvatski)
=> Deutsch (German)
===> Anfänger und Hilfe
===> Mining (Deutsch)
===> Trading und Spekulation
===> Projektentwicklung
===> Off-Topic (Deutsch)
===> Treffen
===> Presse
===> Altcoins (Deutsch)
=====> Announcements (Deutsch)
===> Marktplatz
=====> Auktionen
=====> Suche
=====> Biete
=> Ελληνικά (Greek)
===> Αγορά
===> Mining Discussion (Ελληνικά)
===> Altcoins (Ελληνικά)
=====> Altcoin Announcements (Ελληνικά)
=====> Altcoin Mining (Ελληνικά)
=> עברית (Hebrew)
=> Français
===> Actualité et News
===> Débutants
===> Discussions générales et utilisation du Bitcoin
===> Mining et Hardware
===> Économie et spéculation
===> Place de marché
=====> Échanges
=====> Produits et services
=====> Petites annonces
===> Le Bitcoin et la loi
===> Wiki, documentation et traduction
===> Développement et technique
===> Vos sites et projets
===> Hors-sujet
===> Altcoins (Français)
=====> Annonces
=> India
===> Mining (India)
===> Marketplace (India)
===> Regional Languages (India)
===> Press & News from India
===> Alt Coins (India)
===> Buyer/ Seller Reputations (India)
===> Off-Topic (India)
=> Italiano (Italian)
===> Guide (Italiano)
===> Progetti
===> Discussioni avanzate e sviluppo
===> Trading, analisi e speculazione
===> Mercato
=====> Mercato valute
=====> Beni
=====> Servizi
=====> Esercizi commerciali
=====> Hardware/Mining (Italiano)
=====> Gambling (Italiano)
===> Accuse scam/truffe
===> Mining (Italiano)
===> Alt-Currencies (Italiano)
=====> Annunci
===> Raduni/Meeting (Italiano)
===> Crittografia e decentralizzazione
===> Off-Topic (Italiano)
=> 日本語 (Japanese)
===> アルトコイン
=> Nederlands (Dutch)
===> Markt
===> Gokken/lotterijen
===> Mining (Nederlands)
===> Beurzen
===> Alt Coins (Nederlands)
===> Off-topic (Nederlands)
===> Meetings (Nederlands)
=> Nigeria (Naija)
===> Politics and society (Naija)
===> Off-topic (Naija)
=> 한국어 (Korean)
===> 대체코인 Alt Coins (한국어)
=> Pilipinas
===> Altcoins (Pilipinas)
=====> Altcoin Announcements (Pilipinas)
===> Pamilihan
===> Others (Pilipinas)
=> Polski
===> Tablica ogłoszeń
===> Alternatywne kryptowaluty
=====> Nowe kryptowaluty i tokeny
=====> Tablica ogłoszeń (altcoiny)
=> Português (Portuguese)
===> Primeiros Passos (Iniciantes)
===> Economia & Mercado
===> Mineração em Geral
===> Desenvolvimento & Discussões Técnicas
===> Criptomoedas Alternativas
===> Brasil
===> Portugal
=> Русский (Russian)
===> Новички
===> Бизнес
=====> Барахолка
=====> Обменники
===> Идеи
===> Кодеры
===> Майнеры
===> Политика
===> Трейдеры
===> Альтернативные криптовалюты
=====> Токены
=====> Бayнти и aиpдpoпы
===> Хайпы
===> Работа
===> Разное
===> Oбcyждeниe Bitcoin
=====> Новости
=====> Юристы
=> Română (Romanian)
===> Anunturi importante
===> Offtopic
===> Market
=====> Discutii Servicii
===> Minerit
===> Tutoriale
===> Bine ai venit!
===> Presa
===> Altcoins (Monede Alternative)
=====> Anunturi Monede Alternative
=> Skandinavisk
=> Türkçe (Turkish)
===> Bitcoin Haberleri
===> Pazar Alanı
===> Madencilik
===> Ekonomi
===> Servisler
=====> Fonlar
===> Proje Geliştirme
===> Alternatif Kripto-Paralar
=====> Madencilik (Alternatif Kripto-Paralar)
=====> Duyurular (Alternatif Kripto-Paralar)
===> Konu Dışı
===> Yeni Başlayanlar & Yardım
===> Buluşmalar
=> Other languages/locations
Loading...