柴油发电机组是往复式运转机械，运行是将产生较大的震动。因此，基础是安装中主要的部分，其作用是：

Diesel generator sets are reciprocating machinery that will generate significant vibrations during operation. Therefore, the foundation is the main part of installation, and its role is to:

支撑柴油发电机组及其他辅助部件的重量；

Support the weight of the diesel generator set and other auxiliary components;

吸收机组在运行中产生的不平衡力，保持发动机、发电机和随机辅助设备之间的安装距离；

Absorb the unbalanced forces generated by the unit during operation, maintain the installation distance between the engine, generator, and random auxiliary equipment;

将机组的震动和周围结构隔离，以减少机组振动对机房和附近建筑物造成的影响。

Isolate the vibration of the unit from the surrounding structure to reduce the impact of unit vibration on the computer room and nearby buildings.

一、机组安装对基础的要求

1、 Requirements for foundation during unit installation

支承整台机组的重量和机组运行时不平衡力所产生的动态冲击负载；

Support the weight of the entire unit and the dynamic impact load generated by unbalanced forces during unit operation;

具有足够的刚度和稳定度，以防止变形而影响柴油发动机和主交流发电机及附件等的同轴度；

Having sufficient stiffness and stability to prevent deformation from affecting the coaxiality of the diesel engine, main AC generator, and accessories;

基础不能和其它建筑物的地基相连；

The foundation cannot be connected to the foundation of other buildings;

基础的宽度及深度应满足要求；

The width and depth of the foundation should meet the requirements;

保证基础的水平度及一定的光滑度；

Ensure the level and smoothness of the foundation;

有条件的的用户可预留排污槽，以便废水、污油等及时流走；预留发电机配电输出电缆沟。

Conditional users can reserve sewage tanks to facilitate the timely flow of wastewater, dirty oil, etc; Reserve cable trenches for generator distribution output.

通常，混凝土安装基础是一种可靠简便的安装方式，建议用户优先采用。当浇筑混凝土底座时，应确保混凝土的表面平整、没有任何损伤，建议用户结合使用水平仪或类似仪器进行机组及其排气系统的安装。

Usually, concrete installation foundation is a reliable and convenient installation method, and it is recommended that users prioritize it. When pouring concrete bases, it is necessary to ensure that the surface of the concrete is flat and free from any damage. It is recommended that users use a spirit level or similar instrument for the installation of the unit and its exhaust system.

二、减振基础

2、 Vibration reduction foundation

如发电机组已装备有内置或外置减振装置（康尔信机组均已具备），同时楼板及周围的支撑结构的承重强度能承受（机组总重的1.8 倍+混凝土底垫的重量），机组可不再做减振基座。

If the generator set is already equipped with built-in or external vibration damping devices (which are already available in Kongxin units), and the load-bearing strength of the floor slab and surrounding support structures can withstand (1.8 times the total weight of the unit+the weight of the concrete foundation pad), the unit can no longer be used as a vibration damping base.

三、基础的常见做法

3、 Common basic practices

将设备基础范围内底板凿毛，其四周底板面凿去混凝土保护层，露出的钢筋与设备基础钢筋焊接，高度为150～200mm；

Chisel the bottom plate within the scope of the equipment foundation, remove the concrete protective layer from the surrounding bottom plate surface, and weld the exposed steel bars with the equipment foundation steel bars, with a height of 150-200mm;

地基周围没边比机组地盘每边各长出150～300mm；

There is no edge around the foundation that is 150-300mm longer than each side of the unit site;

地基厚度由上面基础原公式确定，如果使用的地脚螺钉深度取H=0.05m；

The thickness of the foundation is determined by the original formula above, and if the depth of the foundation screw used is H=0.05m;

地基底部与机房地面间留200mm的槽，槽内以充满部分沥青混凝土密封形成减震层；

A 200mm groove should be left between the bottom of the foundation and the ground of the computer room, and the groove should be filled with asphalt concrete to form a shock absorber layer;

地基表面应进行防水，防油处理，基坑地面应夯实；

The surface of the foundation should be treated with waterproofing and oil resistance, and the ground of the foundation pit should be compacted;

机组的地脚螺栓可以一次性浇筑，也可以预留孔进行二次浇筑，螺钉位置尺寸应根据生产厂商提供的准确尺寸确定。

The anchor bolts of the unit can be poured in one go or reserved holes for secondary pouring. The position and size of the screws should be determined based on the accurate size provided by the manufacturer.

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This article is a friendly contribution from industrial exhaust gas generator sets. For more related knowledge, please click: http://www.sasglobaldirect.com Sincere attitude. We will provide you with comprehensive service. We will gradually contribute more relevant knowledge to everyone. Stay tuned