设备工作部件及技术参数应与加工产品的生物特性相适应，并符合终产品的加工要求；严格控制加工过程中造成原料、终产品损伤和品质降低；对终产品是食品或食品原料的加工设备，应防止机械或其他物料对终产品的污染，以保证终产品符合食品卫生要求；要避免食品加工过程中排放物（渣、糟、浆、液、气等）对环境的污染，对有污染的排放物应配备处理设备，使其达到排放要求；对含有多种营养成分或药效成分的食品，应考虑减少加工设备对营养或药效成分的损失；要重视副产品和下脚料的综合开发，充分利用资源，提高经济效益。
The working parts and technical parameters of the equipment shall adapt to the biological characteristics of the processed products and meet the processing requirements of the final products; Strictly control the damage and quality reduction of raw materials and end products during processing; For the processing equipment whose final products are food or food raw materials, the pollution of machinery or other materials to the final products shall be prevented to ensure that the final products meet the food hygiene requirements; To avoid environmental pollution caused by emissions (slag, dregs, slurry, liquid, gas, etc.) during food processing, treatment equipment shall be equipped for contaminated emissions to meet the emission requirements; For foods containing multiple nutrients or pharmacodynamic ingredients, consideration should be given to reducing the loss of nutrients or pharmacodynamic ingredients by processing equipment; We should pay attention to the comprehensive development of by-products and leftovers, make full use of resources and improve economic benefits.
符合我国有关产业政策和标准要求：优先选择和采用当前鼓励发展的食品机械设备， 选择和采用具有适度规模、科技含量高、经济效益好、资源消耗低、卫生、环境污染少、资源利用效率高的设备；禁止选择和采用当前明令限制和淘汰的食品机械设备，禁止选择和采用违反法律法规、生产方式落后、产品质量低劣、环境污染严重、原材料和能源消耗高、已有成熟技术替代、严重危及生产的设备。
Meet the requirements of China's relevant industrial policies and standards: give priority to the selection and use of food machinery and equipment mainly encouraged by the state, and focus on the selection and use of equipment with appropriate scale, high scientific and technological content, good economic benefits, low resource consumption, safety and health, less environmental pollution and high resource utilization efficiency; It is prohibited to select and adopt food machinery and equipment that are currently restricted and eliminated by the state, and it is mainly prohibited to select and adopt equipment that violates national laws and regulations, backward production mode, poor product quality, serious environmental pollution, high consumption of raw materials and energy, and has been replaced by advanced and mature technology, which seriously endangers production safety.
尽量选择和采用具有标准的设备和定型产品，zhong点选择具有国际标准、国外标准和等效国际标准的设备，其次再选择具有标准、行业标准和企业标 准的设备，设备的设计、制造、安装、检验等技术条件，更好能受到现有基础标准、方法标准和标准的约束，以利于设备的使用性能和产品质量的有效发挥。
Try to select and adopt the equipment and finalized products with advanced standards. First, select the equipment with international standards, foreign advanced standards and equivalent international standards, and then select the equipment with national standards, industrial standards and enterprise standards. The design, manufacturing, installation, inspection and other technical conditions of the equipment can better be subject to the existing basic standards Method standards and safety standards to facilitate the effective play of equipment performance and product quality.
生产工艺参数是指食品加工过程中应控制的各种技术参数，如压力、温度、湿度、真空度、提取率或得率、速度、纯度、物料消耗定额和能量消耗定额等，设备指标既要合理又要切实可行；满足物料平衡计算要求。
Production process parameters refer to various technical parameters that should be controlled in the process of food processing, such as pressure, temperature, humidity, vacuum degree, extraction rate or yield, speed, purity, material consumption quota and energy consumption quota. The equipment indicators should be advanced, reasonable and feasible; Meet the requirements of material balance calculation.
生产物料平衡是依据质量守恒定律理论进行计算的，其内容是指输入系统中的物料量应等于系统输出的物料量与物料损耗量之和；既要满足项目生产工艺物料量的平衡要求，又要适应物料量损耗少的要求；满足能量平衡计算要求。能量平衡是依据能量守恒定律理论进行计算的，设备选择时应高度重视能耗问题，尽量选择节水、节汽、节电、节热等设备。
Production material balance is calculated according to the theory of mass conservation law, which means that the amount of materials input into the system should be equal to the sum of the amount of materials output by the system and the amount of material loss; It should not only meet the balance requirements of material quantity in the project production process, but also meet the requirements of less material consumption; Meet the requirements of energy balance calculation. The energy balance is calculated according to the theory of energy conservation law. When selecting equipment, we should attach great importance to the problem of energy consumption, and try to select energy-saving, water-saving, steam, electricity and heat saving equipment.
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