Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 30307-2013 Household and similar drinking water treatment equipment. In addition to structural adjustments and editorial, the following main technical changes have been made with respect GB/T 30307-2013:
——The scope of this standard is altered (see Clause 1 hereof; Clause 1 of Edition 2013);
——Alterations are made to terms and definitions "drinking water treatment equipment", "influent pressure", "purified water flow rate" and "efficiency of rejection", other terms in the previous standard are deleted, and the following terms and definitions are added: "pure water treatment units", "mineralization drinking water treatment units", "general water treatment units", "reverse osmosis drinking water treatment units", "nanofiltration drinking water treatment units", "electrodialysis drinking water treatment units", "ultrafiltration drinking water treatment units", "activated carbon drinking water treatment units", "water softener", "rated total production capacity", "cumulative water production", “core filter”, “selective performance”, “whole course addition”, “purification efficiency”, “purified water production rate”, “cumulative purified water production rate”, "retaining rate", “rated cycle water production quantity”, “rate of regeneration”, “traceability system”, and “large drinking water treatment units” (see Clause 3 hereof; Clause 3of Edition 2013);
——"Classification and designation" is altered (see Clause 4 hereof; Clause 4 of Edition 2013);
——Requirements such as "Basic requirements", "Selective performances", "Water saving effect", "Traceability" and "Environmental protection requirements" are added (see 5.1.1, 5.7, 5.9, 5.10 and 5.13 hereof); the requirements of "Control performance" are deleted (see 5.6.5 of Edition 2013); and alterations are made to "Normal use environment", "Appearance", "Structure", "Health and safety requirements", "Rated total production capacity", "Purified water flow rate", "Performance requirements for special use” and "Noise" (see 5.1.2, 5.2, 5.3, 5.4, 5.5, 5.6, 5.8, and 5.11 hereof; Clause 5 of Edition 2013);
Household and similar drinking water treatment units
1 Scope
This document specifies the classification and designation, requirements, test methods, inspection rules, and marking, packaging, transportation and storage of household and similar drinking water treatment units (hereinafter referred to as "drinking water treatment units").
This document applies to drinking water treatment units for household and similar uses.
This document may serve as a reference for other products with water treatment function.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1019 General requirements for the package of household and similar electrical appliances
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 4214.1 Test method for noise of household and similar electrical appliances - General requirements
GB 4706.1 Household and similar electrical appliances - Safety - Part 1: General requirements
GB/T 5121.27 Methods for chemical analysis of copper and copper alloys - Part 27: The inductively coupled plasma atomic emission spectrometric method
GB/T 5121.28 Methods for chemical analysis of copper and copper alloys - Part 28: Determination of chromium, iron, manganese, cobalt, nickel, zinc, arsenic, selenium, silver, cadmium, tin, antimony, tellurium, lead and bismuth content - Inductively coupled plasma-mass spectrometry
GB/T 5296.2 Instructions for use of products of consumer interest - Part 2: Household and similar electrical appliances
GB 5749 Standards for drinking water quality
GB/T 5750
(all parts) Standard examination methods for drinking water
GB/T 6040 General rules for infrared analysis
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB 8537 National food safety standard - Drinking natural mineral water
GB/T 8538 National food safety standard - Methods for examination of natural mineral drinking water
GB/T 11170 Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 12496.1 Test methods of wooden activated carbon - Determination of apparent density
GB/T 12496.8 Test methods of wooden activated carbon - Determination of iodine number
GB/T 12496.10 Test methods of wooden activated carbon - Determination of methylene blue adsorption
GB/T 17218 Hygienic safety evaluation for chemicals used in drinking water treatment
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 19466.1 Plastics - Differential scanning calorimetry (DSC) - Part 1: General principles
GB/T 19466.2 Plastics - Differential scanning calorimetry (DSC) - Part 2: Determination of glass transition temperature
GB/T 19466.3 Plastics - Differential scanning calorimetry (DSC) - Part 3: Determination of temperature and enthalpy of melting and crystallization
GB/T 20197 Define, classify, marking and degradability requirement of degradable plastic
GB 21551.2 Antibacterial and cleaning function for household and similar electrical appliances - Particular requirements of material
GB/T 22990-2008 Determination of oxytetracycline, tetracycline, chlortetracycline, doxycycline residues in milk and milk powder - HPLC-UV method
GB/T 24127 Testing method for determining algal resistance of plastics
GB/T 24234 Cast iron - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 26042 Methods for analysis of zinc and zinc alloys - The optical emission spectrometry
GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
GB/T 26572 Requirements of concentration limits for certain restricted substances in electrical and electronic products
GB/T 30306 Household and similar purposes drinking water purification inner core
GB 31604.10 National food safety standard - Food contact materials and articles - Determination of migration of 2,2-bis (4-hydroxyphenyl) propane (bisphenol A)
GB 34914 Minimum allowable value of water efficiency and water efficiency grades for water purifier
ISO 11358-1 Plastics - Thermogravimetry (TG) of polymers - Part 1: General principles
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
drinking water treatment units
system to improve water quality, consisting of one or several drinking water treatment filters, and using municipal tap water or other centralized water supply as raw water
Note: Also known as water purifier (filter).
3.2
pure water treatment units
drinking water treatment units (3.1) using reverse osmosis, nanofiltration, electrodialysis, distillation and other technologies to remove microorganisms, organic matters, heavy metal ions, etc., so as to obtain pure water for drinking
[Source: QB/T 4144-2019, 3.1, modified]
3.3
mineralization drinking water treatment units
drinking water treatment units (3.1), which use municipal tap water or other centralized water supply as raw water for further treatment, with a view to improving the quality of drinking water and increasing some beneficial components in the water
Note: Also known as water mineralizer (machine).
[Source: Sanitary standard for hygienic safety and function evaluation on treatment devices of drinking water - Mineralizer (2001), 3.1, modified]
3.4
general water treatment units
drinking water treatment units other than pure water treatment units (3.2) and mineralization drinking water treatment units (3.3), including drinking water treatment units (3.1) with single or multiple functions such as softening, removal of iron, removal of manganese, removal of suspended solids or colloids, removal of microorganisms, removal of organic matters, and removal of heavy metals
[Source: QB/T 4143-2019, 3.1, modified]
4 Classification and designation
4.1 Classification
Drinking water treatment units can be divided into: pure water treatment units (CJC), general water treatment units (YBC), and mineralization drinking water treatment units (KC), as detailed in Table 1.
Pure water treatment units include reverse osmosis drinking water treatment units, nanofiltration drinking water treatment units, and electrodialysis drinking water treatment units.
General water treatment units include ultrafiltration drinking water treatment units, activated carbon drinking water treatment units, and water softeners.
Mineralization drinking water treatment units include mineralizers and the like.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Test method
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Testing set for cleaning efficiency
Annex B (Informative) Preparation of spiked sample solution
Annex C (Normative) Test methods for antibacterial activity
Annex D (Normative) Traceability test methods
Bibliography
