DBT29-178-2018······1

1 總則······10

2 術語······11

3 基本規(guī)定······16

4 工程勘察······17

4.1 基本要求······17

4.2 地質勘察······17

4.3 熱物性測試······18

5 地埋管換熱系統(tǒng)設計······20

5.1 基本要求······20

5.2 管材與傳熱介質······20

5.3 設計負荷與系統(tǒng)選擇······21

5.4 地埋管換熱系統(tǒng)設計······22

6 地埋管換熱系統(tǒng)施工······26

6.1 基本要求······26

6.2 管材進場······27

6.3 鉆孔施工······27

6.4 管網安裝······29

6.5 水壓試驗······29

7 地埋管地源熱泵系統(tǒng)的檢驗、調試與驗收······31

7.1 基本要求······31

7.2 檢驗······32

7.3 調試與驗收······33

8 地埋管換熱場區(qū)巖土動態(tài)監(jiān)測······35

8.1 基本要求······35

8.2 地溫監(jiān)測······35

8.3 循環(huán)流量、溫度監(jiān)測······36

8.4 咸水底界監(jiān)測······37

附錄A淺層地熱能計算方法······38

附錄B現(xiàn)場巖土熱響應試驗······40

附錄C豎直地埋管換熱系統(tǒng)設計計算······45

附錄D地埋管壓力損失計算······48

附錄E各區(qū)核心區(qū)120米處地溫分布情況表······50

本規(guī)程用詞說明······51

引用標準名錄······52

條文說明······53

1 總則······56

3 基本規(guī)定······57

4 工程勘察······58

4.1 基本要求······58

4.2 地質勘察······58

4.3 熱物性測試······58

5 地埋管換熱系統(tǒng)設計······60

5.2 管材與傳熱工質······60

5.3 設計負荷與系統(tǒng)選擇······60

5.4 地埋管換熱系統(tǒng)設計······61

6 地埋管換熱系統(tǒng)施工······64

6.1 基本要求······64

6.3 鉆孔施工······66

6.4 管網安裝······67

7 地埋管換熱系統(tǒng)的檢驗、調試與驗收······68

7.2 檢驗······68

7.3 調試與驗收······68

8 地埋管換熱場區(qū)巖土動態(tài)監(jiān)測······69

8.1 基本要求······69

8.2 地溫監(jiān)測······69

附錄B巖土熱響應試驗······71