压缩空气罐计算书.doc

1. DESIGN DATA:
设计参数

(1)
APPLICABLE CODE
相关规程
CUSTOMER SPECIFICATION
用户条件书
ASME CODE SEC.Ⅷ DIV. 1 2010
ASME标准2010版本第八章第一部分
DOC. NO. 01-AU-11-01-00 REV.0
文件号：
(2)

DESIGN PRESSURE
设计压力
INTERNAL 1.0 MPa
内压
(3)

DESIGN TEMPERATURE
设计温度
60℃

(4)

TYPE OF JOINTS OF CATEGORIES A AND B
A、B类焊接接头类型
TYPE NO.1

1号类型
(5)
RADIOGRAPHY
射线透照检查
CATEGORY A、B BUTT JOINT SPOT UW-11(b)
A、B类焊缝射线抽样检测按 UW-11（b）
(6)

JOINT EFFICIENCY
焊接接头系数
SHELL AND HEAD:85%
筒体和封头:85%
(7)

CORROSION ALLOWANCE
腐蚀裕量
1.0mm
.
(8)
MATERIAL
材料
SHELL & HEAD:SA-516M Gr.485
筒体和封头:SA-516M Gr.485
NOZZLE: SA-105M
接管：SA-105M
FLANGE: SA-105M
法兰：SA-105M
LEGS: SA-516M Gr.485
支腿：SA-516M Gr.485
LUG: SA-105M
吊耳: SA-105M

(9)
MAX. ALLOWABLE STRESS AT DESIGN TEMPERATURE
设计温度下的最大许用应力
SA-516M Gr.485: 138MPa at 60℃
SA-105M: 138MPa at 60℃
(10)
MATERIAL UNDERTOLERANCE
SHELL AND HEAD
筒体和封头材料的厚度负偏差
<0.25mm
(11)

HEAD TYPE
封头类型
2:1 S.E.

(12)

TANK CAPACITY
罐容积
4.9 m³

(13)

SERVICE FLUID
工作介质
COMPRESSED AIR (no lethal)
压缩空气（非致死）
(14)

MIN. SERVICE TEMPERATURE
最低操作温度
0℃ at 1.0MPa

(15)

THE LOADING CONSIDERED IN DESIGNING
设计中所考虑的载荷
SEE TABLE 1-1

见表1-1
(16)

TANK DIMENSIONS
容器尺寸
SEE FIG. 1-1
见图1-1

TABLE 1-1 LOADING CONSIDERED IN DESIGNING
表1-1 设计过程中考虑的负载问题

Item
序号
Description
内容
Yes
No
1

Internal pressure
内压
[√]
[ ]
2

External pressure
外压
[ ]
[√]
3

Weight of the vessel
容器重量
[√]
[ ]
4

Weight of normal contents under operating conditions (static head)
操作工况下的重量
[√ ]
[ ]
5

Weight of normal contents under test conditions (static head)
试验条件下的重量
[√]
[ ]
6

Superimposed static reactions from weight of attached equipment
附属设备的重量产生的附加净载
[ ]
[√]
7

The attachments of internals
内部构件附属装置
[ ]
[√]
8

The attachments of vessel supports (skirt, legs, saddles etc.)
容器支座（裙式，腿式、鞍式支座等）
[√]
[ ]
9

The attachments of lifting lugs
吊耳
[√ ]
[ ]
10

Cyclic and dynamic reactions due to pressure
循环和动态载荷确定压力
[ ]
[√]
11

Cyclic and dynamic reactions due to thermal variations
循环和动态载荷导致热变化
[ ]
[√]
12

Cyclic and dynamic reactions due to equipment mounted on the vessel
容器上的管架设备受到的循环和动载荷
[ ]
[√]
13

Cyclic and dynamic reactions due to mechanical loadings
循环和动态应力确定的机械载荷
[ ]
[√]
14

Wind reactions
风载荷
[ ]
[√]
15

Snow reactions
雪载荷
[ ]
[√]
16
Seismic reactions
地震载荷

[ ]

[√]
17

Impact reactions such as those due to fluid shock
由流体冲击引起的冲击载荷
[ ]
[√]
18

Temperature gradients
温度梯度
[ ]
[√]
19

Differential thermal expansion
热膨胀差
[ ]
[√]
20

Abnormal pressures such as those caused by deflagration
由爆炸引起的各种异常压力
[ ]
[√]
21

Test pressure and coincident static head acting during the test
在试验期间所作用的试验压力和共同作用的静压头

[√]
[ ]

e
1
DN450
CL.150 SO-RF
MANHOLE
人孔
SA-516M Gr.485
d
1
DN40
CL.150 SO-RF
DRAIN
排污口
SA-105M
c
1
DN100
CL.150 SO-RF
AIR EMISSION
放空口
SA-105M
b
1
DN80
CL.150 SO-RF
AIR OUTLET
空气出口
SA-105M
a
1
DN80
CL.150 SO-RF
AIR INLET
空气入口
SA-105M
NOZZLE NO.
接管序号
Q’TY
数量
SIZE
尺寸
TYPE
类型
DESCRIPTION
用途
REMARKS
备注

LIST OF NOZZLES
接管明细表2、 TANK CAPACITY CHECKED
罐容量审查
The volume of head is given by
封头体积计算公式：
V head = 0.1309 × Di3
= 0.1309 ×1.43
= 0.359m3
Where Di = Inside diameter of vessel, m；
Di=容器内径
V head = Volume of elliptical dished head to tangent Line, m3
V head =椭圆中凹封头到切线的体积
The volume of shell is given by
壳体体积计算公式：
V shell = 1/4 ×π× D2 × L
= 1/4 ×π× (1.4) 2 ×2.82
= 4.339m3
Where D = Inside diameter of shell, m
D=壳体内径
L = Length of shell tangent to tangent, m
L=壳体两切线间的长度
V shell = Volume of shell, m3
V shell =壳体的体积
The total volume of vessel is
容器的总体积计算方法是:
V total =0.359× 2 +4.339
= 5.057m3> 4.9 m3 (REQUIRED用户要求) OK

3、 THICKNESS OF CYLINDRICAL SHELL UNDER INTERNAL PRESSURE
内压作用下的筒体厚度
ASME SEC.Ⅷ DIV.1 UG-27 ASME第八章节第一部分UG-27
l
Part
部件

:
Shell
筒体
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
(℃)
:
60
l
Material
材料

:
SA-516M Gr.485
l
Maximum allowable stress value at design temperature
设计温度下最大许用应力值
Sd (MPa)
:
138
l
Maximum allowable stress value at test temperature
试验温度下最大许用应力值
St (MPa)
:
138
l
Height to point under consideration
到上封头接管密封面的距离
H (m)
:
3.305
l
Density of test medium at test temperature
试验温度下试验介质的密度
gt (Kg/m3)
:
1000
l
Type of welded joints in TABLE UW-12
焊接接头类型按表 UW-12

:
Type No. (1)
l
Radiographic examination
射线透照检查

:
SPOT
l
Joint efficiency (specified in UW-12)
焊接接头系数(按UW-12)
E

:
0.85
l
Corrosion allowance
腐蚀裕量
C (mm)
:
1
l
Inside radius corroded
考虑腐蚀的内径
R (mm)
:
701
l
Final center line radius
最终中心线半径
Rf (mm)
:
706
l
Original center line radius
成形前中心线半径
Ro (mm)
:
∞

(1) Minimum required thickness (circumferential stress)
最小厚度（环向应力）
0.385SE = 0.385×(138)×(0.85) =45.16 > P
(a) For operating condition
操作工况

(b) For hydrostatic test condition
水压试验工况

(2) Design thickness
设计厚度
t=Greater of (t1 or t2) +C
取较大值
= t2+C
=7.2mm
(3) Provided thickness
验证厚度
Nominal thickness (mm)12> t OK
名义厚度 12mm> t OK
(4) Check minimum required thickness for paragraph UG-16 (b) (4)
按UG-16 (b) (4)校核最小厚度
Minimum thickness required (including corrosion allowance) is 3.5mm,
所需最小厚度（包括腐蚀裕量）是3.5mm
nominal thickness is 12mm>3.5mm OK
名义厚度是12mm>3.5mm 合格
Due to E=0.85>0.5, longitudinal stress can not affect the thickness of the wall.
因为E=0.85＞0.5 所以纵向应力不是决定壁厚的因素。
(5) Check extreme fiber elongation for paragraph UCS-79
按UCS-79校核纤维伸长量
Maximum allowable fiber elongation without post weld heat treatment is based on the following formula:
在不进行热处理时纤维最大允许伸长量，计算公式如下：
＜5%
So no heat treatment after cold forming need to apply.
故冷成形后不必进行热处理。
4、 THICKNESS OF ELLIPSOIDAL HEAD, PRESSURE ON CONCAVE SIDE
凹面受压的椭圆型封头厚度

ASME SEC.Ⅷ DIV.1 UG-32
l
Part
部件

:
Heads
封头
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
(℃)
:
60
l
Material
材料

:
SA-516M Gr.485
l
Maximum allowable stress value at design temperature
设计温度下的最大许用应力值
Sd (MPa)
:
138
l
Maximum allowable stress value at test temperature
试验温度下的最大许用应力值
St (MPa)
:
138
l
Height to point under consideration（bottom head）
到上封头接管密封面的距离（下封头）
H m)
:
3.68
l
Height to point under consideration (top head)
到上封头接管密封面的距离（上封头）
H (m)
:
0.51
l
Density of test medium at test temperature
试验温度下试验介质的密度
gt (Kg/m3)
:
1000
l
Weld joining heads to shell
封头和筒体的焊缝类型

:
Type No. (1)
l
Radiographic examination (A)
射线透照检查（A）

:
Spot
l
Joint efficiency (specified in UW-12)
焊接接头系数(按 UW-12)
E
:
0.85
l
Corrosion allowance
腐蚀裕量
C (mm)
:
1
l
Inside length of the major axis of an ellipsoidal head corroded
考虑腐蚀的椭圆形封头内直径
D (mm)
:
1402
l
Inside spherical radius of hemispherical head corroded
考虑腐蚀的半球形封头内半径
L1 (mm)
:
701
l
Joint efficiency of head-to-shell
封头到壳体的焊接接头系数
E
:
0.85
l
Inside spherical radius of ellipsoidal head corroded
椭圆形封头球面部分的内半径
L2
:
1260
l
Spherical radius center line of hemispherical head corroded
凸面中心线半径
Rf (mm)
:
1266
l
Minimum specified thickness of head after forming

成型后封头规定的最小厚度
t s

9.5
l
Knuckle center line radius
转角内半径
rf (mm)
:
244
l
Original center line radius
成形前中心线半径
R0 (mm)
:
∞
(1) Minimum required thickness
所需最小厚度
UG-32(d)
With ts / L2 > 0.002
(a) For the top head
对上封头

(b) For the bottom head

对下封头
(b-1) Under operating condition
操作工况下

=5.981mm
(b-2) Under hydrostatic test condition
水压试验工况下

(2) Design thickness
设计厚度
t=Greater of (t1, t2or t3) +C
取较大值
= t3+C
=7.197mm
(3) Provided thickness
验证厚度
Nominal thickness (mm) 12
名义厚度(mm) 12
Minimum thickness after forming (mm) 9.5≥ t OK
成形后最小厚度（mm）9.5≥ t 合格
(4) Check minimum head thickness for paragraph UG-32 (b) for hemispherical head
按UG-32 (b)用半球形封头校核封头最小厚度
0.665SE = 0.665 × 138×0.85 = 78.0> P

OK
(5) Check minimum required thickness for paragraph UG-16(b)(4)
按UG-16(b)(4)校核所需最小厚度
Minimum thickness required (including corrosion allowance) is 3.5mm, minimum thickness after forming is 9.5mm.>3.5mm OK
所需最小厚度（包含腐蚀裕量）是3.5mm，成形后最小厚度是9.5 mm.>3.5mm 合格
(6) Check extreme fiber elongation for paragraph UCS-79
按UCS-79校核纤维伸长率
Maximum allowable fiber elongation without post weld heat treatment is based on the following formula:
不经热处理的最大允许纤维伸长率计算公式如下：

曲面半径伸长率

过渡段半径伸长率
So no heat treatment of heads after cold forming need to apply for SA-516M Gr.485 (P-NO.1 Group NO.2).
因此材料SA-516M Gr.485 (P-NO.1 Group NO.2).制成的封头冷成形之后不必进行热处理。

5、 THICKNESS OF NOZZLE NECK INTERNAL PRESSURE
内压作用下的接管颈部厚度

5-1
FOR NOZZLE a AND b
接管a和b
ASME SEC.Ⅷ DIV.1 UG-45
ASME第八章第一节UG-45
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
T (℃)
:
60
l
Material of nozzle neck
接管材料

:
SA-105M
l
Allowable stress of nozzle neck material at design temperature
设计温度下接管材料的许用应力
Sd (MPa)
:
138
l
Allowable stress of nozzle neck material at test temperature
试验温度下接管材料的许用应力
St (MPa)
:
138
l
Material of shell
筒体材料

:
SA-516M Gr.485
l
Allowable stress of shell (or head) at design temperature
设计温度下壳体（或封头）的许用应力
Ss (MPa)
:
138
l
Height to point under consideration (for Nozzle a)
接管a到上封头接管密封面的距离
H (m)
:
2.85
l
Height to point under consideration (for Nozzle b)
接管b到上封头接管密封面的距离
H (m)
:
1.08
l
Density of test medium at test temperature
试验温度下试验介质的密度
gt (Kg/m3)
:
1000
l
Type of welded joints of nozzle neck in TABLE UW-12
接管的焊缝类型按表UW-12

:
Type No. (1)
l
Joint efficiency of nozzle neck
接管的焊接接头系数
E
:
1.00
l
Corrosion allowance
腐蚀裕量
C (mm)
:
1
l
Outside radius of nozzle neck
接管外半径
R0 (mm)
:
44.45
l
Minimum wall thickness
最小壁厚
Tmin (mm)
:
4.8
l
Inside radius of shell corroded
筒体包含腐蚀余量的内半径
Rs (mm)
:
701

(1) Minimum required thickness of nozzle neck for par. UG-45
接管所需最小厚度，按UG-45
0.385SE = 0.385× 138×1.00 = 53.13 > p
(a) Under operating condition, refer to appendix 1-1,
操作工况下，按附录1-1
ta1 =
=
= 0.321 +1 =1.321mm
(b) Under test condition
试验工况下
ta2 =
=
= 0.321 + 0.008 + 1 =1.33mm
ta= (the bigger value of ta1 or ta2)
取较大值
=1.33mm

(2) Minimum required thickness of shell for par. UG-45,and UG-16 (b) (4), Es = 1.00
按UG-45和UG-16 (b) (4)计算筒体所需最小厚度
UG-16 (b) (4)
(3) Minimum thickness of wall pipe per table UG-45
按UG-45，计算壁厚
tb3 = tmin + c = 4.8 + 1 =5.8mm
tb= (the smaller value of tb3 or tb1)
取较小值
=5.8 mm
tUG-45 = (the bigger value of ta or tb)
取较大值
= 5.8mm

(4) Provided thickness
验证厚度
Nominal thickness (mm) 11.13
名义厚度(mm) 11.13
Minimum thickness (mm)11.13 ≥ tUG-45 OK
最小厚度(mm) 11.13≥ tUG-45 合格

5-2
FOR NOZZLE c
接管 c
ASME SEC.Ⅷ DIV.1 UG-45
ASME第八章第一节UG-45
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
T (℉)
:
60
l
Material of nozzle neck
接管材料

:
SA-105M
l
Allowable stress of nozzle neck material at design temperature
设计温度下接管材料的许用应力
Sd (MPa)
:
138
l
Allowable stress of nozzle neck material at test temperature
试验温度下接管材料的许用应力
St (MPa)
:
138
l
Material of shell
筒体材料

:
SA-516M Gr.485
l
Allowable stress of shell (or head) at design temperature
设计温度下筒体（或封头的许用应力
Ss (MPa)
:
138
l
Height to point under consideration
到上封头接管密封面的距离
H (m)
:
0
l
Density of test medium at test temperature
试验温度下试验介质的密度
gt (Kg/m3)
:
1000
l
Type of welded joints of nozzle neck in TABLE UW-12
接管焊缝类型见表UW-12

:
Type No. (1)
l
Joint efficiency of nozzle neck
接管焊接接头系数
E
:
1.00
l
Corrosion allowance
腐蚀裕量
C (mm)
:
1
l
Outside radius of nozzle neck
接管外半径
R0 (mm)
:
57.15
l
Minimum wall thickness
最小壁厚
Tmin (mm)
:
5.27
l
Inside diameter of shell corroded
包含腐蚀余量的封头内直径
D (mm)
:
1402

(1) Minimum required thickness of nozzle neck for par. UG-45
按UG-45计算接管所需最小厚度
0.385SE = 0.385×138×1.00 =53.13 > p
(a) Under operating condition
操作工况下
ta1 =
=
= 0.413+ 1 = 1.413mm
(b) Under test condition
试验工况下
ta2=
=
= 0.413+ 0+ 1 = 1.413mm
ta= (the bigger value of ta1 or ta2)
取较大值
=1.413mm
(2) Minimum required thickness of shell per. UG-45 and UG-16 (b) (4), Es = 1.00
按UG-45 and UG-16 (b) (4)计算筒体所需最小厚度
UG-16 (b) (4)
（3） Minimum thickness of wall pipe per table UG-45
按UG-45，计算壁厚
tb3 = tmin+ c = 5.27 + 1 =6.27mm
tb= (the smaller value of tb3 or tb1)
取较小值
=6.083mm
tUG-45 = (the bigger value of ta or tb)
取较大值
= 6.083mm.
(3) Provided thickness for DN100 coupling
为DN100验证厚度
Nominal thickness (mm) 13.49
名义厚度
Minimum thickness (mm)13.49≥ tUG-45 OK.
最小厚度(mm) 13.49≥ tUG-45 合格

5-3
FOR MANHOLE NOZZLE “e”
人孔接管e
ASME SEC.Ⅷ DIV.1 UG-45
ASME第八章第一节UG-45
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
T (℃)
:
60
l
Material of nozzle neck
接管材料

:
SA-516M Gr.485
l
Allowable stress of nozzle neck material at design temperature
设计温度下接管材料的许用应力
Sd (MPa)
:
138
l
Allowable stress of nozzle neck material at test temperature
试验温度下接管材料的许用应力
St (MPa)
:
138
l
Height to point under consideration
到上封头接管密封面的距离
H (m)
:
2.834
l
Density of test medium at test temperature
试验温度下试验介质的密度
gt (Kg/m3)
:
1000
l
Type of welded joints of nozzle neck in TABLE UW-12
接管焊缝类型见表UW-12

:
Type No. (1)
l
Radiographic examination of nozzle neck
接管射线透照检查

SPOT
l
Joint efficiency of nozzle neck (specified in UW-12)
接管的焊接接头系数（按UW-12）
E
:
0.85
l
Corrosion allowance
腐蚀裕量
C (mm)
:
1
l
Inside radius of shell corroded
不包含腐蚀余量的筒体内半径
R (mm)
:
216.5
l
Final center line radius of nozzle
接管最终中心线内半径
Rf (mm)
:
222.5
l
Original center line radius of nozzle
接管成形前中心线内半径
R0 (mm)
:
∞
(1) Minimum required thickness of par. UG-45 and UG-27 (c) (1)
按UG-45 and UG-27 (c) (1)计算所需最小厚度
385SE = 0.385×138×0.85 = 45.16> p
(a) Under operating condition
操作工况下
t 1=
=
= 1855+ 1= 2.855mm
(b) Under test condition
试验工况下
t2 =
=
= 1.855+ 0.051+ 1= 2.906mm.

(2) Provided thickness
验证厚度
Nominal thickness (mm) 12 > t1, t2, OK
名义厚度（mm）12 > t1, t2, 合格
(3) Check extreme fiber elongation for paragraph UCS-79
按UCS-79校核纤维伸长率

最大延伸率 = 2.70 % < 5%
so no heat treatment after cold forming need to apply.
故冷成型后不必进行热处理。

5-4
FOR NOZZLE d
接管 d
ASME SEC.Ⅷ DIV.1 UG-45
ASME第八章第一节UG-45
l
Design pressure
设计压力
P (MPa)
:
1.0
l
Design temperature
设计温度
T (℃)
:
60
l
Material of nozzle neck
接管材料