当前位置：文档之家 › 空调水管管径计算

空调水管管径计算

  • 格式：xls
  • 大小：117.00 KB
  • 文档页数：6

空调管径计算工程名称2020/12/3

7.0℃12.0℃

冷负荷流量长度管径内径流速比摩阻摩擦阻力当量长度和局部阻力空调器阻力自控阀阻力管段总阻力QGLDg'DgvRH=R*L∑L'Z=R*L'Z1Z2H+Z+Z1+Z2

Wm3/hmmmmmm/sPa/mPa个数当量个数当量个数当量个数当量mPaPaPaPaPa%

K--1管段1-233000.573.02021.250.45189.4568.2420.50.81.520.72.4454.6180001800037022.84

管段2-366001.143.425270.55213.0724.090.540.81.520.74.6979.61703.74

管段3-466001.141625270.55213.03407.470.50.821.50.73638.94046.37

管段4-5132002.27163235.750.63195.93134.040.51.222.41.14.8940.24074.26

管段5-6198003.411640410.72212.93406.930.51.222.41.14.81022.14429.01

管段6-7264004.551650530.57103.91662.160.91.823.71.77.4768.72430.91

管段7-8330005.682350530.72157.03612.080.91.83.721.73.4534.04146.04

管段8-立管380806.56850530.83204.71637.8820.961.83.71.712.62579.74217.55

立管-h380806.5610350530.83204.721087.730.941.83.721.710.62170.223257.9285328.6

调节阀阻力61900开度147228.6

K--2管段1-233000.573.02021.250.45189.4568.2420.50.81.520.72.4454.6180001800037022.84

管段2-366001.143.425270.55213.0724.090.540.81.520.74.6979.61703.74

管段3-466001.141625270.55213.03407.470.50.821.50.73638.94046.37

管段4-5132002.27163235.750.63195.93134.040.51.222.41.14.8940.24074.26

管段5-6198003.411640410.72212.93406.930.51.222.41.14.81022.14429.01

管段6-7264004.551650530.57103.91662.160.91.823.71.77.4768.72430.91

管段7-立管330005.682350530.72157.03612.0820.981.83.71.716.22544.26156.24

立管-g330005.681750530.72157.02669.800.931.83.721.78.81382.04051.8163915.2

调节阀阻力61900开度125815.2

K--3管段1-297901.6910.03235.750.47112.61126.1920.561.22.421.110.41171.23690039197.43

管段2-3195803.37540410.71208.61042.860.51.222.41.14.81001.12044.01

管段3-4293705.061050530.64126.61265.610.91.823.71.77.4936.62202.16

管段4-5391606.74550530.85215.61078.090.91.823.71.77.41595.62673.67

管段5-6489508.431070680.6596.8968.190.91.823.71.77.4716.51684.65

管段6-75874010.12570680.77135.7678.540.91.823.71.77.41004.21682.77

管段7-a6853011.806270680.90180.511193.900.91.823.71.77.41336.03690049429.9598914.648.5%

管段a-b13706023.60661001000.8499.66573.431.4326.42.712.81274.87848.28106762.9216.9%

管段b-c20559035.40481251250.8071.23416.351.8427.63.715.21081.84498.19111261.1121.0%

管段c-d26433045.52601251251.03113.46801.541.8427.63.715.21723.18524.60119785.7125.0%

管段d-e33286057.32141251251.30173.72432.191.8427.63.715.22640.75072.85124858.5628.3%

管段e-f40139069.123.21251251.57245.7786.311.82427.63.723.25700.86487.09131345.6631.0%

管段f-g45034077.551221501501.22125.115263.922.184.929.14.357.47181.522445.46153791.1258.4%

管段g-h48334083.23261501501.31142.63708.162.124.929.14.3283993.47701.56161492.6847.2%

52142089.79271501501.41164.14431.442.14.929.14.318.22987.17418.55168911.2-6.4%

K--4管段1-297901.695.03235.750.47112.6563.0920.561.22.421.110.41171.23690038634.33空调冷冻水管径计算（闭式系统）

供水温度：

管段名称编号环路编号环路阻力叠加调整前不平衡率直流三通分合流三通

立管h-分水器回水温度：局部阻力名称及当量长度(L')

闸阀弯头

第1页 共6页空调管径计算工程名称2020/12/3管段2-3195803.371040410.71208.62085.720.51.222.41.14.81001.13086.87

管段3-4293705.06550530.64126.6632.810.91.823.71.77.4936.61569.36

管段4-5391606.741050530.85215.62156.190.91.823.71.77.41595.63751.77

管段5-6489508.43570680.6596.8484.100.91.823.71.77.4716.51200.56

管段6-75874010.121070680.77135.71357.080.91.823.71.77.41004.22361.31

管段7-a6853011.80470680.90180.5722.1920.941.83.721.712.42238.83690039860.9790465.2

调节阀阻力0开度90465.2

K--5管段1-297901.69103235.750.47112.61126.1920.561.22.421.110.41171.23690039197.43

管段2-3195803.37540410.71208.61042.860.51.222.41.14.81001.12044.01

管段3-4293705.061050530.64126.61265.610.91.823.71.77.4936.62202.16

管段4-5391606.74550530.85215.61078.090.91.823.71.77.41595.62673.67

管段5-6489508.431070680.6596.8968.190.91.823.71.77.4716.51684.65

管段6-75874010.12570680.77135.7678.540.91.823.71.77.41004.21682.77

管段7-b6853011.80470680.90180.5722.1920.921.83.721.78.81588.83690039211.0088695.7

调节阀阻力36900开度125595.7

K--6管段1-297901.695.03235.750.47112.6563.0920.561.22.421.110.41171.23690038634.33

管段2-3195803.371040410.71208.62085.720.51.222.41.14.81001.13086.87

管段3-4293705.06550530.64126.6632.810.91.823.71.77.4936.61569.36

管段4-5391606.741050530.85215.62156.190.91.823.71.77.41595.63751.77

管段5-6489508.43570680.6596.8484.100.91.823.71.77.4716.51200.56

管段6-c5874010.12470680.77135.7542.8320.921.823.721.716.22198.53690039641.2987884.2

调节阀阻力36900开度124784.2

K--7管段1-297901.695.03235.750.47112.6563.0920.561.22.421.110.41171.23690038634.33

管段2-3195803.371040410.71208.62085.720.51.222.41.14.81001.13086.87

管段3-4293705.06550530.64126.6632.810.91.823.71.77.4936.61569.36

管段4-5391606.741050530.85215.62156.190.91.823.71.77.41595.63751.77

管段5-6489508.43570680.6596.8484.100.91.823.71.77.4716.51200.56

管段6-75874010.121070680.77135.71357.080.91.823.71.77.41004.22361.31

管段7-d6853011.80470680.90180.5722.1920.921.83.721.78.81588.83690039211.0089815.2

调节阀阻力36900开度126715.2

K--8管段1-297901.692.03235.750.47112.6225.2420.561.22.421.110.41171.23690038296.48

合集下载

空调水管管径选型对照表

空调水管管径选型对照表

管径（英寸）换算后的尺寸（㎜）对应管径（公制） 1/46.3560 3/89.53101700 1/212.70123750 5/815.88157250 3/419.052014500 7/822.232221000125.4025410001 1/431.7532800001 1/238.1040122500250.80502150002 1/263.5070390000376.20804101.601006152.40150

管径㎜15202532闭式系统0. 4～0.50.5～0.60.6～0.70.7～0.9开式系统0.3～0.40.4～0.50.5～0.60.6～0.8管径㎜100125150200闭式系统1.3～1.81.5～2.01.6～2.21.8～2.5开式系统1.2～1.61.4～1.81.5～2.01.6～2.3

流量(m³/h)kPa/100m流量(m³/h)kPa/100m150～0.50～60----200.5～1.010～60----251～210～600～1.30～43322～410～601.3～2.011～40404～610～602～410～40506～1110～604～8--6511～1810～608～14--8018～3210～6014～22--10032～6510～6022～45--12565～11510～6045～8210～40150115～18510～4782～13010～43200185～38010～37130～20010～24250380～5609～26200～34010～18300560～8208～23340～4708～15350820～9508～18470～6108～13400950～12508～17610～7507～12式中 Q-水流量, m³/h; v-水流速, m/s; d-水管内径，m；我们建议，水系统中管内水流速按表一中的推荐值选用，经试算来确定其管径，或按表表一、管内水流速推荐值（m/s）

空调水管铜管选择计算教程文件

空调水管铜管选择计算教程文件

室内机总容量指数

0～16.8kw

φ15.9

0.180DN100.1620～17DN2016.8～22.4φ19.1

0.306DN150.3067.1～117.6DN2522.4～33φ22.2

0.576DN200.72017.7～100DN3233～47φ28.6

0.900DN251.440101～176DN4047～71φ28.61.620DN323.240177～598DN5071～104φ31.8

3.060DN404.680599～1055DN80>104φ31.8

6.120DN509.7201056～1512DN100注：左边取等

11.520DN6518.7201513～12462DN125

18.000DN8029.520>12462kW150

31.320DN10061.200内机容量

57.600DN12597.20022～56φ12.7

86.400DN150151.2071～150φ15.9

165.60DN200205.20224φ19.1

288.00DN250360.00280φ22.2

446.40DN300525.60

612.00DN350720.00

795.60DN400979.20内机容量

1033.20DN4501296.008HPφ19.1

1324.80DN5001530.0010HPφ22.2

2016.00DN6002340.0012HP～14HPφ25.4

2772.00DN7003384.0016HPφ28.6

3816.00DN8004824.0018HP～24HPφ28.6

5040.00DN9006552.0026HP～34HPφ31.8管径

大金室外机铜管尺寸

管径冷冻水管选取原则表

流速控制法选择

m³/h管径摩阻控制

法选择干管承担冷量（KW）管径冷凝水管管径选取原则大金多联机室内机容量配管

管径

大金室内机铜管尺寸6480.00DN1000727236HP～48HPφ38.1

空调水系统管径的确定

空调水系统管径的确定

空调水系统管径的确定

水管管径d由下式确定：

d =

式中mw------------水流量, m³/s

v------------水流速, m/s

我们建议，水系统中管内水流速按表一中的推荐值选用，经试算来确定其管径，或按表二根据流量确定管径。

表一、管内水流速推荐值（m/s）

管径㎜ 15 20 25 32 40 50 65 80

闭式系统 0. 4~0.5 0.5~0.6 0.6~0.7 0.7~0.9 0.8~1.0 0.9~1.2 1.1~1.4 1.2~1.6

开式系统 0.3~0.4 0.4~0.5 0.5~0.6 0.6~0.8 0.7~0.9 0.8~1.0 0.9~1.2 1.1~1.4

管径㎜ 100 125 150 200 250 300 350 400

闭式系统 1.3~1.8 1.5~2.0 1.6~2.2 1.8~2.5 1.8~2.6 1.9~2.9 1.6~2.5 1.8~2.6

开式系统 1.2~1.6 1.4~1.8 1.5~2.0 1.6~2.3 1.7~2.4 1.7~2.4 1.6~2.1 1.8~2.3

表二、水系统的管径和单位长度阻力损失

钢管管径/㎜ 闭式水系统 开式水系统

流量/(m³/h) kPa/100m 流量/(m³/h) kPa/100m

15 0~0.5 0~60 -- --

20 0.5~1.0 10~60 -- --

25 1~2 10~60 0~1.3 0~43

32 2~4 10~60 1.3~2.0 11~40

40 4~6 10~60 2~4 10~40

50 6~11 10~60 4~8 --

65 11~18 10~60 8~14 --

80 18~32 10~60 14~22 --

100 32~65 10~60 22~45 --

125 65~115 10~60 45~82 10~40

150 115~185 10~47 82~130 10~43

冷冻水管流量、负荷与管径的关系

冷冻水管流量、负荷与管径的关系

流量m3/h管径参考流速m/s管径（英寸）冷负荷冷负荷Q（kW）1DN250.56616Q≤7kW1-2DN321 1/46-12Q＝7.1～17.6kW2-4DN400.442-0.8841 1/212-24Q＝17.8～100kW5-7DN500.707-0.99230-42Q＝101～176kW8-17DN650.577-1.2272 1/248-102Q＝177～598kW18-26DN800.995-1.4373"108-156Q＝599～1055kW27-44DN1000.955-1.5564"162-264Q＝1056～1512kW45-79D133*41.019-1.7885"270-474Q＝1513～12462kW80-128D159*51.274-2.0396"480-768Q>12462kW129-299D219*61.065-2.4688"774-1794300-538D273*71.582-2.83710"1800-3228539-855D325*81.997-3.16712"3234-5130856-1284D377*82.323-3.48514"5136-7704空调水管管径计算表冷冻水管冷凝水管管径DN＝20mmDN＝25mmDN＝32mmDN＝40mmDN＝50mmDN＝80mmDN＝100mmDN＝125mmDN＝150mm凝水管