地源热泵回填封井阶段也是整套系统施工过程中非常重要的，我们可以经过以下三个步骤完成，管井的回填工作，其中我们要注意的众多细节问题，不要因为疏忽大意而影响了整个工程的质量，下面我们先了解一下是通过哪散步，对整个井系统进行回填工作。

A very important stage is to seal the well backfill ground source heat pump system in the construction process, we can through the following three steps to complete, well backfilling work, many details of the problem which we should pay attention to, not because of carelessness and affect the quality of the whole project, we first look through what is walking, backfill work the whole system of wells.

①U型管保压不合格就匆忙封井；

The U type is guaranteed to not rush to seal the well qualified pressure;

②回填物不符合要求；

Backfill does not meet the requirements;

③回填时灌浆管抽出太快。

Grouting pipe is too fast when backfilling.

我公司会恪守商业信誉及平等互利的原则，竭诚为用户提供优良的服务，创作更加完美的作品，诚愿与各界朋友携手奋进，共创繁荣。

Our company will abide by the principle of commercial credit and equality and mutual benefit, dedication to provide users with the best service, create more perfect works, Cheng is willing to work with friends from all walks of life hand in hand to forge ahead to create prosperity.