Some standard content:
QB/T 2503—2000
According to the needs of improving and developing the manufacturing level of domestic liquid packaging machinery, this standard is specially formulated for the purpose of standardizing product quality, optimizing technical parameters and enhancing applicability, in view of the wide application of plastic anti-theft bottle cap sealing and threaded bottle mouth polyester bottle filling non-gas liquid rinsing, filling and capping machines ("three-in-one" type) in the beverage manufacturing industry. In order to clarify the high-density polyethylene (HDPE) plastic anti-theft bottle caps applicable to this equipment during normal temperature filling, heat sterilization or hot filling of materials, this standard proposes specific technical requirements in Appendix A. Appendix A of this standard is the appendix of the standard.
This standard is proposed by the Industry Management Department of the State Bureau of Light Industry. This standard is under the jurisdiction of the National Technical Committee for the Promotion of Standardization of Wine and Beverage Machinery. The drafting unit of this standard: Langfang Packaging Equipment Manufacturing Corporation. The main drafters of this standard: Ma Zesheng and Zhang Wenge. 492
1 Scope
Light Industry Standard of the People's Republic of China
Rinsing, filling and capping machines for still beverages
OB/T 2503—2000
This standard specifies the definition, abbreviations, requirements, test methods, inspection rules, marking, packaging, transportation and storage of rinsers, fillers and cappers for still beverages.
This standard applies to rinsers, fillers and cappers for filling non-carbonated beverages into threaded polyester (PET, PEN/PET) bottles sealed with plastic anti-theft caps (hereinafter referred to as "products"). This standard also applies to filling other low-viscosity, low-foaming, non-explosive still liquids into threaded polyester bottles sealed with plastic anti-theft caps.
2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision and parties using this standard should investigate the possibility of using the most recent versions of the following standards. GB/T3768--1996 Acoustics-Sound pressure method for determining the sound power level of noise sources-Simplified method using envelope measurement surface above the reflecting surface GB9687-1988 Hygienic standard for ethylene molded products for food packaging GB9691-1988 Hygienic standard for polyethylene resin for food packaging GB9969.1--1998 General provisions for instructions for use of industrial products GB/T13306--1991 Labels
GB/T 13384--1992*
General technical conditions for packaging of electromechanical products
GB/T14253-1993
General technical conditions for light industrial machinery
GB14944-1994 Hygienic standard for polyvinyl chloride bottle caps, gaskets and granules for food packaging GB 16798-1997
Safety and sanitation of food machinery
GB/T 17876---1999
Plastic anti-theft bottle caps for packaging containers
QB1868-1993
Polyester (PET) soft drink bottles
3 Definitions and abbreviations
This standard adopts the following definitions and abbreviations. 3.1 Definitions
3.1.1 Tightening cap: The sealing device tightens the plastic anti-theft bottle cap on the threaded bottle mouth of the container. 3.1.2 Opening torque: The torque required to unscrew the plastic anti-theft bottle cap that has been sealed on the container mouth. 3.1.3 Heat-set PET bottle: A heat-resistant PET bottle made by increasing the temperature of the blow mold and extending the insulation time to increase the crystallinity of PET.
3.2 Abbreviations
3.2.1PET: Abbreviation for polyethylene terephthalate. 3.2.2 PEN: Abbreviation for polyethylene naphthalate. 3.2.3 PEN/PET: Copolymer of PEN and PET. Approved by the State Bureau of Light Industry on December 1, 2000
Implemented on June 1, 2001
4 Requirements
QB/T2503--2000
4.1 Products shall comply with the provisions of this standard and be manufactured according to drawings and technical documents approved by the prescribed procedures. 4.2 Working conditions
4.2.1 Polyester bottles shall comply with the provisions of QB1868. Materials shall be filled at room temperature. If heat sterilization or hot filling is required, PEN/PET bottles shall be used. Heat-set PET bottles that have not been stored for a long time or have not been exposed to moisture can also be hot filled. Recycled bottles shall not be used. 4.2.2 Plastic anti-theft bottle caps shall comply with the requirements of GB/T17876. When materials are filled at room temperature, heat sterilized or hot filled, plastic anti-theft bottle caps shall also comply with the requirements of Appendix A.
4.2.3 Filling material temperature: filling at room temperature or hot filling not higher than 95℃. 4.2.4 Water (liquid) pressure for flushing and filling: not less than 0.2MPa, pressure fluctuation value less than 0.03MPa. 4.2.5 Compressed air pressure: 0.6MPa～0.7MPa. 4.2.6 Power supply: the rated voltage of the power supply of the product is 380V, the voltage fluctuation value should not exceed ±10% of the rated value, and the frequency is 50Hz or 60Hz.
4.3 Basic requirements
4.3.1 The product should be able to adjust or replace the bottle conveying related parts within a certain range to meet the requirements of the user's container size. 4.3.2
2 The quality of the product's welded parts, machined parts and assembly should comply with the provisions of GB/T14253. 4.3.3 The product should run stably, without abnormal noise, and the bottle conveying and capping system should not be stuck. Water and gas pipelines and valves should be sealed reliably without leakage. Instruments and control components should be sensitive and coordinated with the work procedures.
4.3.5 The product should have the function of not filling without bottles at the filling station and not delivering caps at the capping station. 4.3.6 The safety and sanitation performance of the product, such as material selection, sealing, electrical system, protection, etc., should comply with the provisions of GB16798. 4.4 Performance in use
4.4.1 The production capacity should reach the nominal production capacity. 4.4.2 The flushing rate should reach 100%.
4.4.3 Filling accuracy qualified rate
The product adopts the filling principle of controlling the liquid level, the filling level accuracy is ±3mm, the filling accuracy qualified rate is not less than 98%, the net content of the lowest liquid level among the qualified filling accuracy products is not less than 98.5% of the nominal net content, and the average net content shall not be lower than the net content indicated on the label. 4.4.4 After the cap is screwed and sealed, it is tight without leakage, and the bottle cap is not skewed or scratched, and the sealing qualified rate is not less than 99%. 4.4.5 The opening torque of the bottle cap is 0.6N·m～2.2N·m, and the opening torque fluctuation value of the bottle caps in the same batch is not more than ±20%. 4.4.6 The bottle loss rate is not more than 0.1%.
4.4.7 The cap loss rate is not more than 0.8%.
4.4.8 Product reliability index
Under the principle of avoiding installation technical requirements and normal use: a) The first overhaul period shall not be less than 4000h
b) The product service life shall not be less than 12000h.
4.5 Noise index
When the product is running without load, the noise (sound pressure level) shall not exceed 80dB(A). 4.6 Energy consumption index
According to the nominal production capacity, the power consumption of the product (excluding the water supply pump) shall not exceed 1.2kW·h/t of filling material. 5 Test method
5.1 Test conditions
5.1.1 The test site should be wide, and the product placement should comply with the installation technical requirements of the product manual. 494
QB/T2503--2000
5.1.2 The working conditions of the test shall meet the requirements of 4.2. 5.2 Performance test
5.2.1 Determination of production capacity
The product is tested for filling with water as the medium at the manufacturer. The product is tested for filling with filling materials as the medium at the production site. The filling level accuracy should be adjusted and the capacity should meet the requirements. Under the condition of continuous normal operation of the product, the test time shall not be less than 20 minutes, and the measured production capacity shall reach the nominal production capacity after conversion. 5.2.2 Determination of flushing rate
20 containers soaked in 3% sodium hydroxide solution are sent to the product's bottle flushing device when the product is in normal operation. After the container is flushed, at the outlet of the bottle flushing device, the residual water on the inner surface of each bottle is tested by pH test paper method. Its pH should be consistent with the flushing water (pH6.5~pH7.0), and the flushing rate should meet the requirements of 4.4.2. 5.2.3 Determination of filling accuracy pass rate
When the product is running normally, randomly and continuously intercept 200 bottles of finished bottles within 20 minutes. After opening the caps, use a steel ruler with a graduation value of 1mm to measure and record the distance from the bottle mouth to the liquid surface one by one, and calculate the arithmetic mean. The sample bottles whose difference between the distance from the bottle mouth to the liquid surface and the average value does not exceed the filling level accuracy are qualified for the filling level accuracy. Randomly and continuously select 10 bottles from the sample bottles with qualified filling level accuracy, use a measuring tube with a minimum graduation value of 5mL, measure the net content of the lowest liquid level sample bottle and the average net content of the 10 sample bottles, which should meet the filling capacity accuracy requirements. Count the number of qualified bottles b, and calculate the filling accuracy pass rate according to formula (1), which should meet 4.4.3. F
Where: F——Filling accuracy qualified rate, %; b1
Number of sample bottles with qualified filling accuracy, bottles.
5.2.4 Determination of sealing qualified rate
br×100
When the product is running normally, randomly and continuously intercept 200 bottles of finished bottles within 20 minutes. First, visually inspect the sealing quality and remove unqualified bottles with crooked or scratched plastic anti-theft bottle caps. Qualified bottles are those that do not leak when the polyester bottle is inverted for 1 minute and do not leak for 10 seconds after applying a pressure of -400N on both sides of the bottle body. Count the number of qualified bottles b2 and calculate the sealing qualified rate according to formula (2), which should meet the requirements of 4.4.4. S
Where: S—sealing qualified rate, %;
b2—Number of sample bottles with qualified sealing, bottles.
5.2.5 Determination of opening torque
be×100
·（2）
When the product is running normally, randomly select 10 bottles of finished bottles and use a digital torque meter with a dynamic accuracy of 1% to measure the opening torque between the plastic bottle cap and the container. All of them should meet the requirements of 4.4.5. 5.2.6 Determination of bottle loss rate
When the product is undergoing production capacity test, record the total number of bottles input within 20 minutes and the number of bottles lost during the flushing, filling, and capping processes b3 (damage due to poor quality of the container itself is not counted). Calculate the bottle loss rate according to formula (3), which should meet the requirements of 4.4.6. Lb =
Where: Lb——bottle loss rate,%;
b3bottle loss number, bottles;
B——total number of bottles input within 20 minutes, bottles. 5.2.7 Determination of cap damage rate
(3)
When the product is tested for production capacity, record the number of bottle caps input into the product within 20 minutes and the number of bottle caps damaged during the screwing and sealing process (excluding those damaged due to poor quality of the bottle caps themselves). Calculate the cap damage rate according to formula (4), which shall meet the requirements of 4.4.7. Le=
Where: L.—
Cap damage rate, %;
Number of damaged bottle caps, pieces;
Total number of caps input into the product within 20 minutes, pieces. 5.3 Machine performance test
5.3.1 Visual inspection
The visual inspection of the product appearance quality shall meet the requirements of 4.3.2. 5.3.2 Electrical safety performance test
Before the product idle running test, the test shall be carried out in accordance with the provisions of 5.8 of GB16798-1997. 5.3.3 Idle running test
The product is gradually adjusted from low speed to high speed, and continuously runs for 1 hour under the nominal production capacity conditions. The idle running test shall meet the requirements of 4.3.3.
5.3.4 Noise test
During the product idle running test, the working noise of the product shall be measured by a sound level meter in accordance with the provisions of GB/T3768, and shall meet the requirements of 4.5. The measuring surface shall be a rectangular plane hexahedron surface whose sides correspond to the planes of the reference body. The measuring distance is 1m. The microphone position is shown in Figure C5 in Appendix C of GB/T3768-1996, but the top surface of the product shall not be tested. 5.3.5 Filling test
After the product has passed the empty running test, the filling test shall be carried out with water or filling material as the medium. The test time shall not be less than 20 minutes and shall meet the requirements of 4.3.4 and 4.3.5.
5.3.6 Determination of power consumption
It shall be carried out at the same time as the production capacity determination. When the product is at the nominal production capacity, the power consumption value W of the product within 20 minutes shall be measured with an electric meter, the number of filled finished products B shall be counted, and the power consumption shall be calculated according to formula (5), which shall meet the requirements of 4.6. P1000w
W--power consumption value, kWh;wwW.bzxz.Net
B---number of filled finished products, bottles;
V--rated filling volume of the container, L/bottle;
Filling material density, kg/L.
6 Inspection rules
6.1 Inspection classification
Product inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
6.2.1 Factory inspection items
Inspection shall be carried out in accordance with the requirements of 4.3.2~4.3.6, 4.4.1~4.4.4. 6.2.2 Judgment rules
Products shall be inspected one by one by the quality inspection department of the manufacturer. They can only leave the factory after passing the inspection and issuing the product certificate. If there are unqualified items in the factory inspection, re-inspection is allowed.
6.3 Type inspection
QB/T 2503—2000
6.3.1 Type inspection shall be carried out in the following circumstances. a) When the product is put into production for appraisal;
b) After the product is officially put into production, if there are major changes in structure, materials, and processes, which may affect the product performance; c) When the product is stopped for more than two years and then resumed; d) When the factory inspection results are significantly different from the last type inspection; e) When the national quality and technical supervision agency proposes a type inspection requirement. Type inspection can be carried out at the user's production site. 6.3.2 Type inspection items
Type inspection shall be carried out item by item according to all the requirements specified in this standard (except 4.4.8). 6.3.3 Sampling
Simple random sampling shall be carried out according to the following provisions: a) If the annual output is less than 20 units, 1 unit shall be sampled from any batch; b) If the annual output is greater than 20 units, 2 units shall be sampled from any batch. 6.3.4 Judgment rules
If all items of the type inspection are qualified, the product is qualified. If there are unqualified items, they shall be re-inspected. If they are still unqualified, the product type inspection shall be judged to be unqualified. However, if the electrical safety performance test in 5.3.2 and the noise test in 5.3.4 are unqualified, the product is deemed unqualified and re-inspection is not allowed. 7 Marking, packaging, transportation, storage
7.1 Marking
The product should be fixed with a label in an obvious position, and the label should comply with the provisions of GB/T13306. The label content includes: a) product name, model and specifications;
b) main technical parameters of the product;
c) overall dimensions;
d) quality;
e) manufacturer's name;
f) factory date and number.
7.2 Packaging
The product packaging should comply with the provisions of GB/T13384. When the product leaves the factory, the following technical documents should be attached: a) product certificate, which must indicate the adopted standard number; b) product instruction manual, which should be written in accordance with the provisions of GB9969.1; c) packing list
d) random spare parts list.
7.3 Transportation
The overall packaging or sub-packaging of the product shall comply with the requirements for loading and transportation by land and water. Loading and unloading should be smooth to prevent violent collisions.
7.4 Storage
The product should be stored in a ventilated, dry, rainproof and non-corrosive indoor area. Outdoor storage is not allowed. When the product is shipped or used for more than 6 months, it should be inspected after unpacking and the parts that may affect the performance should be handled. 497
A1 Basic requirements
QB/T2503—2000
Appendix A
(Appendix to the standard)
Technical requirements for high-density polyethylene (HDPE) plastic anti-theft bottle blueA1.1 The geometric parameters of the bottle cap thread and the bottle mouth thread are the same. A1.2 The bottle cap thread should have a guide part.
A1.3 The inner end face of the bottle cap should have an inner ring wing or inner cone plug structure, and a bottle cap gasket can also be added to the inner end face to achieve the sealing requirements. The bottle cap gasket should be able to withstand a temperature of 95°C without affecting the sealing effect. A2
Physical properties
A2.1 Sealing performance
A2.1.1 Normal temperature and pressure sealing test
Fill the container with dyed alcohol with a concentration of 75% to the rated capacity, tighten the bottle cap, and then invert it in normal temperature water for 8 hours. There should be no overflow. A2.1.2 Thermal stability sealing test
a) Fill the container with rated capacity of water, tighten the bottle cap, and place it in a refrigerator at 18℃ for 24 hours. The bottle cap will not burst or deform, and the bottle mouth will not leak after thawing;
b) Fill the high temperature resistant container with rated capacity of water, tighten the bottle cap, and place it in a constant temperature box at 95℃ for 10 minutes. The bottle cap will not burst or deform, and the bottle mouth will not leak after cooling.
A2.2 Performance of bottle cap anti-theft ring
a) Within the opening torque range required by 4.4.5, the anti-theft ring of the bottle cap after screwing is not deformed or twisted off. b) When the bottle cap is opened, the separation of the anti-theft ring should be greater than two-thirds of the circumference. A3 Hygiene requirements
A3.1 The hygienic requirements of bottle caps should comply with the provisions of GB9687 A3.2 The hygienic requirements of bottle cap materials should comply with the provisions of GB9691. A3.3 For bottle caps with sealing gaskets, the sanitary requirements of the gaskets shall comply with the provisions of GB14944.
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