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BS EN 13732:2022 Food processing machinery. Bulk milk coolers on farms. Requirements for performance, safety and hygiene, 2022
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Safety requirements and/or protective measures — Performance [Go to Page]
- 4.1 General
- 4.2 Mechanical hazards [Go to Page]
- 4.2.1 Lids and covers [Go to Page]
- 4.2.1.1 Lids / open tanks
- 4.2.1.2 Covers / closed tank
- 4.2.2 Agitators
- 4.2.3 Refrigerating system
- 4.2.4 Stability
- 4.3 Electrical hazards
- 4.4 Thermal hazards and hazards generated by materials and substances used
- 4.5 Hygiene [Go to Page]
- 4.5.1 Adequate cooling and safe storage of milk [Go to Page]
- 4.5.1.1 Control of the cooling system
- 4.5.1.2 Cooling and agitation performances
- 4.5.2 Prevention of milk contamination [Go to Page]
- 4.5.2.1 General
- 4.5.2.2 Inner vessel
- 4.5.2.3 Openings and lids in connection with the inner vessel
- 4.5.2.4 Thermometers
- 4.5.2.5 Agitators
- 4.5.2.6 Cleaning
- 4.6 Energy consumption
- 4.7 Ergonomics
- 4.8 Provisions for maintenance
- 4.9 Other general requirements for tanks [Go to Page]
- 4.9.1 Temperature tolerance
- 4.9.2 Inner vessel
- 4.9.3 Outer shell
- 4.9.4 Thermal insulation of cooling tank
- 4.9.5 Supports and feet
- 4.9.6 Milk inlet aperture
- 4.9.7 Outlet
- 4.9.8 Electrical controls [Go to Page]
- 4.9.8.1 Duty selection
- 4.9.8.2 Periodic timer
- 4.9.8.3 Agitation timer
- 4.9.8.4 Thermometer
- 4.10 Additional requirements for ice bank tanks [Go to Page]
- 4.10.1 Design
- 4.10.2 Ice bank control
- 4.11 Noise
- 5 Verification and tests
- 6 Information for use [Go to Page]
- 6.1 General
- 6.2 Warning signs and signals
- 6.3 Instruction handbook
- 6.4 Instructions check list [Go to Page]
- 6.4.1 Instructions check list for day-to-day operation
- 6.4.2 Instructions check list for milk collection
- 6.5 Installation and maintenance instructions
- 6.6 Minimum marking
- Annex A (informative)List of significant hazards
- Annex B (normative)Noise test code (Grade 2 of accuracy) [Go to Page]
- B.1 General
- B.2 Emission sound pressure level determination
- B.3 Sound power level determination
- B.4 Mounting conditions
- B.5 Operating conditions
- B.6 Measurement uncertainties
- B.7 Information to be recorded
- B.8 Information to be reported
- B.9 Declaration and verification of the noise emission values
- Annex C (normative)Electrical requirements for bulk milk coolers according toEN 60204-1:2018 [Go to Page]
- C.1 Safety requirements related to electromagnetic phenomena
- C.2 Protection against electric shock
- C.3 Ambient air temperature
- C.4 Supply disconnecting device
- C.5 Power circuits
- C.6 Overload protection of motors
- C.7 Control circuit supply
- C.8 Emergency stop devices
- C.9 Degrees of protection
- C.10 Markings of control equipment
- Annex D (normative)Electrical requirements for bulk milk coolers according to EN 60335-1:2012) [Go to Page]
- D.1 General
- D.2 Normal operation (see EN 60335-1:2012, 3.1.9)
- D.3 General conditions for the tests (see EN 60335-1:2012, Clause 5)
- D.4 Classification (see EN 60335-1:2012, Clause 6)
- D.5 Input and current (see EN 60335-1:2012, Clause 10)
- D.6 Heating (see EN 60335-1:2012, Clause 11)
- D.7 Leakage current and electric strength at operating temperature (see EN 60335-1:2012, Clause 13)
- D.8 Moisture resistance (see EN 60335-1:2012, Clause 15)
- D.9 Abnormal operation (see EN 60335-1:2012, Clause 19)
- D.10 Stability and mechanical hazards (see EN 60335-1:2012, Clause 20)
- D.11 Mechanical strength (see EN 60335-1:2012, Clause 21)
- D.12 Supply connection and external flexible cords (see EN 60335-1:2012, Clause 25)
- D.13 Provision for earthing (see EN 60335-1:2012, Clause 27)
- D.14 Creepage distances, clearances and solid insulation (see EN 60335-1:2012, Clause 29)
- D.15 Resistance to heat and fire (see EN 60335-1:2012, Clause 30)
- Annex E (normative)Test for cooling, thermal insulation, mixing tests [Go to Page]
- E.1 General [Go to Page]
- E.1.1 Accuracy on measurements [Go to Page]
- E.1.1.1 Ambient temperature
- E.1.1.2 Milk or TW temperature
- E.1.1.3 Volume
- E.1.1.4 Cooling time
- E.1.1.5 Other measurements
- E.1.2 Frequency of measurements [Go to Page]
- E.1.2.1 Temperature measurements
- E.1.2.2 Other measurements
- E.1.3 Ambient temperature [Go to Page]
- E.1.3.1 General
- E.1.3.2 Temperature in front of the condenser
- E.1.3.3 Temperature around the tank
- E.1.3.4 Location of measuring points
- E.1.3.5 Number of measuring points
- E.1.4 Air movement
- E.1.5 Temperature of the milk or TW
- E.1.6 Electricity supply
- E.2 Performance tests [Go to Page]
- E.2.1 Milk cooling tests [Go to Page]
- E.2.1.1 General
- E.2.1.2 Batch filling / Low volume / first milking test / direct cooling
- E.2.1.3 Batch filling / Low volume / first milking test / ice bank
- E.2.1.4 Batch filling / Milk cooling test / Direct cooling
- E.2.1.5 Batch filling / Milk cooling test /- Ice bank
- E.2.1.6 Tank for continuous flow / minimum flow
- E.2.1.7 Tank for continuous flow / maximum flow
- E.2.1.8 First milking test at SOT - Direct cooling tanks
- E.2.1.9 First milking test at SOT – Ice bank tanks
- E.2.1.10 Failure of the ice-bank control
- E.2.2 Thermal insulation test [Go to Page]
- E.2.2.1 Location of the tank
- E.2.3 Milk mixing tests
- Annex F (normative)Test for cleanability and cleaning performance [Go to Page]
- F.1 Introduction
- F.2 Definitions and steps for the test
- F.3 Installation of the tank to be tested [Go to Page]
- F.3.1 Connection and installation of the tank in its reference position
- F.3.2 First automatic cleaning cycle
- F.3.3 After a complete automatic cleaning cycle
- F.4 Preparation of soiling milk (solution A)
- F.5 Soiling of the tank
- F.6 Automatic cleaning of the tank
- F.7 Tank rest phase
- F.8 Visual assessment of internal tank surfaces and equipment
- F.9 Taking method for bacteriological examinations [Go to Page]
- F.9.1 Solutions and equipment used for bacteriological examinations [Go to Page]
- F.9.1.1 Solutions and equipment used for the rinsing method
- F.9.1.2 Equipment used for swabbing method
- F.9.2 Assessment of the tank outlet
- F.9.3 Assessment of the internal tank surfaces and equipment [Go to Page]
- F.9.3.1 General
- F.9.3.2 Rinsing method
- F.9.3.3 Swabbing method
- F.10 Visual assessment of internal tank surfaces and equipment
- F.11 Bacteriological examination
- F.12 Chemical examination
- F.13 Interpretation of results [Go to Page]
- F.13.1 Chemical evaluation
- F.13.2 Bacteriological evaluation
- F.13.3 Visual evaluation
- Annex G (normative)Sampling methods for milk mixing tests
- Annex H (normative)Equipment and installation for the tests for cleanability and cleaning performance required in Annex F [Go to Page]
- H.1 Equipment and installation for the examination dealing with the tank outlet (see F.3.1.4 and F.9.2) [Go to Page]
- H.1.1 Equipment
- H.1.2 Installation
- H.2 Equipment and installation for the examination dealing with the internal tank surfaces and equipment [Go to Page]
- H.2.1 For spraying method (see F.5.3 and F.9.3.1)
- H.2.2 For swabbing method (see F.9.3.2) [Go to Page]
- H.2.2.1 Equipment
- H.2.2.2 Installation
- Annex I (normative)Evaluation of stainless steel equivalence [Go to Page]
- I.1 General
- I.2 Corrosion tests [Go to Page]
- I.2.1 Pitting corrosion test
- I.2.2 Intergranular corrosion test
- I.2.3 Stress corrosion test
- Annex J (informative)Example of milk tank service record
- Annex K (informative)Estimation and measurement of the energy consumption [Go to Page]
- K.1 General
- K.2 Estimation of energy consumption:
- K.3 Measurement of energy consumption [Go to Page]
- K.3.1 General
- K.3.2 Measurement of energy consumption for Batch filling / Direct cooling tanks (see E.2.1.4) [Go to Page]
- K.3.2.1 Batch filling / Direct cooling reference test: test n°1 – first milking (see E.2.1.4.2)
- K.3.2.2 Batch filling / Direct cooling reference test: test n°2 – last milking (see E.2.1.4.3)
- K.3.2.3 Energy consumption calculations of Batch filling / Direct cooling reference test: test n°1 and test n°2
- K.3.3 Measurement of energy consumption for Batch filling /Ice bank (see E.2.1.5) [Go to Page]
- K.3.3.1 General
- K.3.3.2 Batch filling /Ice bank reference test: test n°1 - First milking (see E.2.1.5.2)
- K.3.3.3 Batch filling /Ice bank reference test: test n°2: last milking (see E.2.1.5.3)
- K.3.3.4 Energy consumption calculations of Batch filling /Ice bank reference test: test n°1 and test n°2 (see E.2.1.5.4)
- K.3.4 Measurement of energy consumption for continuous flow Tank [Go to Page]
- K.3.4.1 Tanks for continuous maximum flow Tank (see E.2.1.7)
- K.3.4.2 Energy consumption calculations of continuous maximum flow Tank
- K.3.5 Classification of energy consumption
- Annex L (informative)Safe access and rescue [Go to Page]
- L.1 Manholes and accessibility
- L.2 Access techniques
- L.3 Rescue
- Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered [Go to Page]
