GB/T 32456-2025General technical specification for energy saving heating system of rubber and plastics machines (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document replaces GB/T 32456-2015 "General Technical Requirements for Electromagnetic Heating Energy Saving Systems for Rubber and Plastic Machinery" and is compatible with GB/T 32456- Compared with 2015, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

-- Changed the scope (see Chapter 1, Chapter 1 of the 2015 edition);

--Added energy-saving heating system, far-infrared heating system, quartz high-conductivity heating system and traditional heating system for rubber and plastic machinery System terms and definitions (see 3.1, 3.4, 3.5, 3.6);

--Changed the terms and definitions of electromagnetic heating energy-saving system and soft start (see 3.2, 3.3, 3.1, 3.5 of the 2015 edition);

-- Deleted the terms and definitions of electromagnetic heater, electromagnetic heating controller, heating component and system specific energy consumption (see the 2015 edition 3.2, 3.3, 3.4, 3.6);

--Changed the composition of the device (see Chapter 4, Chapter 4 of the 2015 edition);

--Added general requirements (see 5.1);

-- Added technical requirements for energy saving rate of energy-saving heating system compared with traditional heating system (see 5.2.1);

--Deleted the technical condition that the system should work reliably according to the set program within the design process parameter range (see 2015 edition 5.1.1);

--Added technical requirements for heating rated power deviation of energy-saving heating system (see 5.2.2);

-- Deleted the technical requirement that when there are multiple heaters, the temperature of each heater can be set separately (see 5.1.2 of the 2015 edition);

--Deleted the technical requirements for the deviation between the set heating temperature and the actual temperature after stabilization (see 5.1.3 of the 2015 edition);

--Changed the technical requirement that there should be no abnormal conditions between each energy-saving heater (see 5.2.3, 5.1.5 of the 2015 edition);

--Changed the technical requirements for soft start of energy-saving heating systems (see 5.2.4, 5.1.4 of the 2015 edition);

--Changed the technical requirements for sound and light alarms when electromagnetic heaters fail (see 5.2.5, 5.1.6 of the 2015 edition);

--Deleted the technical requirements for system specific energy consumption (see 5.1.7 of the 2015 edition);

--Changed the technical requirements for the maximum temperature limit of electromagnetic heating induction coils and connecting wires (see 5.2.6, 2015 edition) 5.1.8);

--Changed the technical requirements for the maximum temperature limit of the materials used for the insulation layer of energy-saving heating systems (see 5.2.7, 2015 edition) 5.1.9);

--Changed the safety requirements for insulation resistance (see 5.3.2, 5.2.2 of the 2015 edition);

--Added safety requirements for leakage current in working state (see 5.3.3);

--Changed the safety requirements for withstand voltage between conductors and protective grounding (see 5.3.4, 5.2.3 of the 2015 edition);

--Deleted the temperature limit of the outer surface of the electromagnetic heater (see 5.2.4 of the 2015 edition);

--Deleted the safety requirements for emission of harassment (see 5.2.5 of the 2015 edition);

--Added safety requirements for posting heat hazard warning signs on easily accessible external surfaces of energy-saving heating systems after installation (see 5.3.5);

--Changed the safety requirements for magnetic induction intensity and electric field intensity (see 5.3.7, 5.2.7 of the 2015 edition);

--Added the safety requirement that energy-saving heating systems should be equipped with protective covers (see 5.3.8);

--Added safety requirements for the protection level of the wiring terminals of energy-saving heating systems (see 5.3.9);

--Deleted the impact test requirements in the mechanical environmental adaptability (see 5.3.1.2 of the 2015 edition);

--Changed the appearance quality requirements (see 5.5, 5.4 of the 2015 edition);

--Added the test methods for general requirements (see 6.1);

--Added the detection method of energy saving rate of energy-saving heating system compared with traditional heating system (see 6.2.1);

--Deleted the system action correctness detection method (see 6.1.1 of the 2015 version);

--Added the detection method of heating rated power deviation of energy-saving heating system (see 6.2.2);

--Deleted the function test method for setting the temperature of each electromagnetic heater in the system (see 6.1.2 of the 2015 edition);

--Deleted the detection method of allowable deviation of system heating temperature (see 6.1.3 of the 2015 edition);

--Changed the detection method of no abnormal conditions between energy-saving heaters (see 6.2.3, 6.1.5 of the 2015 edition);

--Changed the detection method of soft start of energy-saving heating system (see 6.2.4, 6.1.4 of the 2015 edition);

--Changed the detection method when electromagnetic heater fails to alarm (see 6.2.5, 6.1.6 of the 2015 edition);

--Deleted the detection method of system specific energy consumption (see 6.1.7 of the 2015 edition);

--Changed the safety requirement test method for insulation resistance (see 6.3.2, 6.2.2 of the 2015 edition);

--Added the safety requirement detection method for leakage current under working condition (see 6.3.3);

--Changed the safety requirement test method for withstand voltage between conductor and protective ground (see 6.3.4, 6.2.3 of the 2015 edition);

--Deleted the temperature limit of the outer surface of the electromagnetic heater (see 6.2.4 of the 2015 edition);

--Deleted the safety requirements for emission of harassment (see 6.2.5 of the 2015 edition);

--Added the safety requirements and test methods for posting heat hazard warning signs on easily accessible external surfaces of energy-saving heating systems after installation (see 6.3.5);

--Changed the detection methods of magnetic induction intensity and electric field intensity (see 6.3.7, 6.2.7 of the 2015 edition);

--Added the safety requirement test method that energy-saving heating systems should be equipped with protective covers (see 6.3.8);

--Added the safety requirements test method for the protection level of the wiring terminals of energy-saving heating systems (see 6.3.9);

--Deleted the impact test requirements and test methods in mechanical environmental adaptability (see 6.3.1.2 of the 2015 edition);

--The appearance quality inspection method has been changed (see 6.5, 6.4 of the 2015 edition);

--Added inspection rules (see Chapter 7);

--Added marking, packaging, transportation and storage (see Chapter 8).

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the China Petroleum and Chemical Industry Federation.

This document is under the jurisdiction of the National Technical Committee for Standardization of Rubber and Plastics Machinery (SAC/TC 71).

This document was drafted by: Shenzhen Suoneng Energy Saving Equipment Co., Ltd., Guangdong Shicheng Plastic Machinery Co., Ltd., Aiksen (Jiangsu) Energy Saving Electric Thermal Technology Co., Ltd., Guangdong Lijin Plastic Machinery Manufacturing Co., Ltd., Ningbo Xinghui Electrical Technology Co., Ltd., Suzhou Jinke Plastic Technology Co., Ltd.

Ltd., Tairui Machinery Co., Ltd., Guilin Rubber Design Institute Co., Ltd., Beijing Rubber Industry Research and Design Institute Co., Ltd., Guangdong Zhengmao Precision Machinery Co., Ltd., Kingfa Technology Co., Ltd., Dekuma Rubber & Plastic Technology (Dongguan) Co., Ltd., Beijing Huaaixin Energy Saving Equipment Co., Ltd.

Ltd., Zhejiang Guizi Plastic Machinery Co., Ltd., Zhejiang Haiwei Technology Co., Ltd., Xinghua Shuanglong Electric Heating Appliance Co., Ltd., Zhen Xiong Machinery (Shenzhen) Co., Ltd., Foshan Baojie Precision Machinery Co., Ltd., Qingdao University of Science and Technology, National Plastic Machinery Product Quality Supervision and Inspection Testing Center, Dalian Plastic Machinery Research Institute, Huaao Technology (Suzhou) Co., Ltd., Shandong Huayu Institute of Technology, Zhejiang Nanyi Plastic Machinery Co., Ltd.

Co., Ltd., Wuxi Puye Polymer Materials Technology Co., Ltd.

The main drafters of this document are: Xun Shanglun, Chen Hao, Zhang Chunhua, He Haibing, Liu Yingying, Jin Shihui, Chen Minghua, Chen Chen, Wang Sanlin, Wang Gengxin, He Cheng, Li Jianjun, Zheng Wen, Yu Zhifeng, Yang Xinjing, Jin Yibo, Zhang Xianfu, Wang Longbao, Pang Pengbo, Yang Weijie, Wang Chuansheng, Ma Xiaogang, Yang Hong, Wang Jinxia, Zhang Zhengluo, Wei Dongpo, Li Shanqu, Wang Tian, and Peng Liming.

This document was first published in 2015 and this is the first revision.

Energy-saving heating systems for rubber and plastic machinery General Technical Specifications

1 Scope

This document specifies the composition, requirements, and tests of energy-saving heating systems for rubber and plastic machinery (hereinafter referred to as "energy-saving heating systems").

Methods, inspection rules and marking, packaging, transportation and storage.

This document is applicable to plastic injection molding machines, plastic extruders, plastic blow molding machines, flat vulcanizers, tire vulcanizers and other rubber plastics Energy-saving heating system for heating metal parts in material processing machinery.

2 Normative references

GB/T 1234-2012

GB/T 2423.10

GB/T 4208-2017

GB/T 5226.1-2019

GB/T 6388

GB/T 13306

GB/T 13384

GB/T 17799.2

GB/T 36587

3 Terms and definitions

The terms and definitions defined in GB/T 36587 and the following apply to this document.