GB/T 19420-2021Terminology of salt-making industry (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 19420-2003 "Salt Industry Terminology". Compared with GB/T 19420-2003, the main technical changes are as follows.

--- Added Chapter 2 (see Chapter 2);

---Modified the definitions of the terms sea salt and mine salt (see 3.3 and 3.4, 2.3 and 2.4 in the.2003 edition);

---Modified the terms sun-dried salt, crushed washing salt, refined salt, salt products, iodized salt, uniodized table salt, various types of table salt, seasoned salt, low Sodium salt, spirulina salt, snowflake salt, fish roe salt, food processing salt, pickling salt, kimchi salt, monosodium glutamate salt, casing salt, livestock salt, industrial Salt, industrial potassium chloride, edible potassium chloride, industrial magnesium chloride, edible magnesium chloride, magnesium sulfate, edible magnesium sulfate, industrial anhydrous sodium sulfate Definition (see 4.1.2~4.1.4, 4.1.1, 4.1.5.1, 4.1.5.2, 4.1.6, 4.1.6.1~4.1.6.5, 4.1.7, 4.1.7.2, 4.1.7.3, 4.1.7.5, 4.1.7.6, 4.1.8.1, 4.1.10, 4.2.2, 4.2.3, 4.2.6~4.2.9, the.2003 version of 3.1.1.1~3.1.1.3, 3.1, 3.1.1.4, 3.1.1.5, 3.1.2, 3.1.2, 3.1.2.3, 3.1.2.6~3.1.2.8, 3.1.3, 3.1.3.2, 3.1.3.3, 3.1.2.4, 3.1.6, 3.1.5, 3.1.7, 3.2.1, 3.2.2, 3.2.4~3.2.8);

---Added the terms mustard salt, sea water essence, life salt, fruit and vegetable washing salt, mouthwash salt, foot bath salt, bath salt, wet salt, printing and dyeing Salt, metal sodium salt, salt for ion-exchange membrane caustic soda and their definitions (see 4.1.7.4, 4.1.8.2, 4.1.9, 4.1.9.1~4.1.9.4, 4.1.10.3, 4.1.10.6~4.1.10.8);

---The term fortified nutrient salt, bamboo salt, natural carotene soft capsule, Dunaliella powder soft capsule, natural carotene water-dispersible type is deleted Dry powder and its definition (see 3.1.2.1, 3.1.2.5, 3.3.4~3.3.6 in.2003 edition);

---Modified the definition of the term rock salt deposit (see 5.1.7, 4.1.7 in the.2003 edition);

---Modified the terms salt gypsum, step, brine concentration, brine concentration rate, new brine, bittern, brine evaporation rate, brine production rate, brine recovery Rate, saturated brine precipitation rate, remaining rate of mother liquor, large area evaporation coefficient, brine evaporation coefficient, percolation ratio, tidal river, freshwater drainage, salt transportation The setting of the river, the pressure tank, the beating, the raw steam, the external heating positive circulation tangential feed evaporator, the external heating positive circulation radial feed evaporator Righteousness (see 6.1.6, 6.1.9, 6.2.1.1, 6.2.1.2, 6.2.1.7, 6.2.1.9~6.2.1.12, 6.2.1.14, 6.2.1.15, 6.2.1.17, 6.2.1.18, 6.2.1.21, 6.2.2.8, 6.2.2.12, 6.2.2.14, 6.2.2.31, 6.2.3.27, 6.3.2.6, 6.3.2.37, 6.3.2.38, The.2003 version of 5.1.6, 5.1.9, 5.2.1.1, 5.2.1.2, 5.2.1.7, 5.2.1.9~5.2.1.12, 5.2.1.14, 5.2.1.15, 5.2.1.17, 5.2.1.18, 5.2.1.21, 5.2.2.8, 5.2.2.12, 5.2.2.14, 5.2.2.31, 5.2.3.27, 5.3.2.6, 5.3.2.37, 5.3.2.38);

---Modified the terms circulating fluid, bromine production by distillation, separation of bromine water, bromine water, bromine production by blowing method, blowing rate, absorption rate, bromine and sodium production by resin method Sulfur ratio, definition of iodine extraction by blowing out method (see 7.1.22, 7.2.1, 7.2.6, 7.2.7, 7.2.14, 7.2.16, 7.2.20, 7.2.21, 7.3.11, 7.6.1, 6.1.1.21, 6.2.1, 6.2.7, 6.2.6, 6.2.14, 6.2.16, 6.2.20, 6.2.21, 6.3.11, 6.6.1 of the.2003 version);

---The terms water-cooled tableting, air-cooled granulation, centrifugal screening, sedimentation centrifugal separation, vacuum crystallizer, rectification tower, blowing tower, absorption are deleted Tower, tablet machine, pelletizing tower and their definitions (see the.2003 version of 6.4.2, 6.4.3, 6.5.1, 6.5.2, 6.8.2, 6.8.5~6.8.9).

1 Scope

This standard specifies the general terms and products in the salt industry, salt mine geology and salt mining, salt production, salt chemical industry, salt field biology the term.

This standard is applicable to the fields of salt making, salt chemical industry and salt field biology.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 5461 Edible salt

3 General terms

4 Products