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Superheater, economizer, reheater

key word:Heat exchange element

Category:


Product description

Superheater

The heating surface of the superheater is composed of four parts: the first part is the ceiling and the four walls of the rear shaft flue and the separation wall of the rear shaft; the second part is the horizontal convection superheater arranged in the rear flue of the rear shaft; the third part is the platen superheater located in the upper part of the furnace; and the fourth part is the final superheater located above the smoke corner.

According to steam flow, superheater system is divided into ceiling superheater, wall superheater / partition wall superheater, low temperature superheater, platen superheater and final superheater. According to the flue gas flow, they are: platen superheater, high temperature superheater and low temperature superheater.

The whole superheater system is arranged with a left-right cross, that is, a left-right cross from the outlet of the platen superheater to the inlet of the final superheater, which effectively reduces the influence of the uneven width of the flue gas side flowing through the boiler. The boiler is equipped with two-stage four point water spray desuperheating, each stage of water spray is injected from two sides, each side of water spray can be controlled separately, and the steam temperature deviation on the left and right sides can be effectively reduced through water spray desuperheating.

The general sequence is as follows: start separator → ceiling superheater → wall superheater → low temperature superheater → primary desuperheating → platen superheater → secondary desuperheating → high temperature superheater.

 

The following is the general information of superheater system of 600 MW supercritical unit.


The whole superheater system is divided into five stages

A. Ceiling superheater

B. Wall superheater

C. Low temperature superheater

D. Platen superheater

E. High temperature superheater

 

Temperature regulation mode:

A. Water coal ratio (fuel / feed water ratio).

B. Two stage and four point spray desuperheating; the spray points on the left and right sides can be adjusted respectively.

 

1. Ceiling superheater

It is divided into three sections: the front section is from the inlet header to the platen superheater.

The middle part is the area of high temperature superheater and high temperature reheater of horizontal flue.

The third section is the rear shaft area.

1.1. Front of ceiling superheater:

1.1.1. Specification: Φ 76 × 16, quantity: 170, material: 15CrMoG, pitch: 114.3;

1.1.2. Ceiling inlet header Φ 381 × 84, SA-335P12, 1 piece;

1.1.3. The front ceiling is membrane screen, flat steel δ 9, 15CrMo, double-sided groove is made at the welding place of flat steel and pipe, and single-sided groove is made at the butt joint of flat steel;

1.2. Middle part of ceiling superheater:

1.2.1. High temperature superheater area: pipe diameter is 63.5 × 10, quantity is 170, material is 15CrMoG, pitch is 114.3;

High temperature reheater area: pipe diameter is Φ 57 × 9, quantity is 170, material is 15CrMoG, pitch is 114.3;

1.2. The ceiling of high temperature superheater area is membrane screen, flat steel δ 9, 15CrMo;

The ceiling of high temperature reheat area is loose pipe with δ 9 flat steel and 15CrMo;

1.3 double sided groove shall be made at the joint of flat steel and pipe, and single sided groove shall be made at the joint of flat steel;

1.3. Rear of ceiling superheater:

1.3.1. Rear shaft area: pipe diameter: Φ 57 × 9, quantity: 170, material: 15CrMoG, pitch: 114.3;

1.3.2. Loose pipe with δ 6.4 flat steel, 15CrMo;

1.3.3. Ceiling outlet header Φ 298.5 × 68, SA-335P12, 1 piece, with long pipe joint.

 

2. Wall wrapped superheater

2.1. Front wall

2.1.1. Lower pipe screen: 169 pieces, Φ 38.1 × 9, material 15CrMoG, pitch 114.3;

2.1.2. Upper flue gas inlet section: dilute into two rows at the front and back, with pitch of 228.6, load-bearing of front pipe, Φ 45 × 12.5, rear pipe Φ 38.1 × 9, material of 15CrMoG;

2.1.3. Tt is divided into two sections, the lower section is divided into 7 screens, with a length of 60300-52590=7710, and the widest screen of 2743.2;

2.1.4. The anti-wear cover plate at the elbow of the upper pipe screen is delivered after welding in the factory.

2.2. Rear cladding wall

169 pieces, Φ 38.1 × 9, material 15CrMoG, pitch 114.3;

2.2.2. It is divided into two sections, each section is divided into 7 screens, with a total of 14 screens. The length of the upper section is 73800-63400 = 10400, the length of the lower section is 63400-52590 = 10810, and the maximum width of the screen is 2743.2;

2.3. Side cladding wall

2.3.1. 148 pieces, Φ 34 × 8, 15CrMoG material, pitch 101.6;

2.3.2. It is divided into two sections, each section is divided into 5 screens, with a total of 10 screens. The length of the upper section is 73500-63400 = 10100, the length of the lower section is 63400-52400 = 11000, and the maximum screen width is 3251;

2.4. Middle partition wall of rear shaft

2.4.1. Lower pipe screen: 169, Φ 38.1 × 9, material 15CrMoG, pitch 114.3;

2.4.2. Upper flue gas inlet section: dilute into two rows at the front and back, with pitch of 228.6, load-bearing of front pipe, Φ 45 × 12.5, and rear pipe Φ 38.1 × 9;

2.4.3. It is divided into two sections, the lower section is divided into 7 screens, with a length of 60480-52646=7834 and screen width of 2743.2;

2.4.4. The anti-wear cover plate at the elbow of the upper pipe screen is delivered after welding in the factory.

 

3. Low temperature superheater

The snake shaped pipe of low temperature superheater is arranged in the rear flue of the rear shaft, which is divided into horizontal section and vertical outlet section.

Steam is led from the two ends of the flue outlet header at the front and rear of the steam crane pipe and is led out by the connecting pipe (Φ 339.7 × 58, SA335P12), and then it is combined into one side single connecting pipe (Φ 457.2 × 72, SA335P12), and then sent to the inlet header of low temperature superheater (Φ 482.6 × 85, SA335P12) from both ends

The whole low temperature superheater is arranged in a series, and the steam and flue gas are heat exchange in reverse flow.

3.1. The horizontal section is a total of 1 section, 4 pieces of  pipes are wound, 168 rows in total, and the transverse pitch is 114.3. The specification of the lower part of the pipe section is Φ 45x7 and the upper part of 15CrMoG pipe section is Φ 45x7, and the material is 12Cr1MoVG;

3.2. Vertical exit section is Φ 45x7, material is 12Cr1MoVG, and transverse pitch is 228.6mm, with 84 rows in total;

3.3. The width of the horizontal section pipe screen is 2481;

3.4. The low pass inlet header is Φ 482.6 × 85, SA335P12, and the short pipe joint is delivered in two sections. Four pipe joints are left at both ends of the welding joint at the header site to be welded, and welding will be carried out after the header is butt connected at the site;

3.5. The low pass outlet header is Φ 546.1 × 107, SA-335P12, and the long pipe joint is delivered in two sections.

 

4. Platen superheater

4.1. 2 rows in the depth direction, 13 pieces of screens in each row, 26 pieces in total, 24 pieces of  tubes around each screen.

4.2. The transverse pitch of pipe screen S1=1371.6, longitudinal pitch S2=57, and SA-213TP347H material of heating pipe in furnace.

4.3. Pipe specification of pipe inlet section of pipe screen: outer pipe Φ 50.8 × 8.4/ other pipe Φ 45 × 7.4; pipe specification of outlet section of pipe screen: outer pipe Φ 50.8 × 12.3/ other pipe Φ 45 × 10.8.

4.4. Distribution header at the inlet of platen superheater Φ 558.8 × 103, SA335P12

4.5. Outlet header of platen superheater Φ 298.5 × 58, SA-335P91

4.6. Platen superheater header Φ 558.8 × 103, SA335P91

4.7. Anti corrosion cover plate shall be set for snake shaped pipe bank near soot blower.

4.8. The distribution header at the inlet of the platen superheater and the outlet header of the platen superheater are disposed into two sections from the center line, and the long pipe joint is delivered. The butt welding joint between the header boxes shall be completed by the installation company on the site.

4.9. There is no clamping and positioning facilities for horizontal tube screen of platen superheater.

4.10. The inlet header of platen superheater is equipped with seven types of orifice with diameter of φ 12.5mm, φ 13mm, φ 14mm, φ 15mm, φ 16.5mm, φ 20.5mm and φ 23.5mm.

 

5. High temperature superheater

5.1. 31 pieces of screens in total, 20 pieces of tubes are wound on each screen.

5.2. The transverse pitch of the pipe bank is 609.6, the longitudinal pitch is 57, and the heating pipe SA-213TP347H material in the furnace is used.

5.3. The outer pipe of pipe screen is Φ 51 × 7/ Φ 51 × 10, and the rest pipe is Φ 45 × 6.5/ Φ 45 × 9.

5.4. High over inlet header Φ 508 × 78, SA335P91

5.5. The header with height higher than the outlet is Φ 609.6 × 108, and SA335P91

5.6. Add anti-corrosion cover plate to snake shaped pipe bank near soot blower.

5.7. The header boxes with high and high height are divided into two sections from the center line, and the goods are delivered with long pipe joints, and the butt welding site of header is completed.

5.8. The pipe screen of the section above the inlet is loaded by two rows of pipes (parallel inclined to open holes), and then transferred to the inlet header. The rest pipe weight is transferred to the middle two pipes by U-shaped load-bearing block.

5.9. The weight of the outlet section of the pipe screen is supported by the transition beam and transmitted to the header box at the outlet of the high and high level by the suspender.

5.10. The inlet header with height higher than the inlet is provided with five types of orifice with the specifications of φ 13mm, φ 12.5mm, φ 12mm, φ 11.5mm and φ 11mm.

 

 

Economizer

1. Concept of economizer

After the coal in the boiler is burned, the exhaust gas (called flue gas) is discharged into the chimney. At this time, the flue gas temperature is still very high, so that it can flow through a row of tube heat exchanger before leaving the combustion chamber of the boiler and entering the chimney, so that its residual heat will heat the water flowing through the heat exchanger. The water will enter the boiler and be heated into steam by the furnace fire in the furnace, Because the water is initially heated by flue gas before entering the boiler, it can save coal, so that heat exchanger is called "economizer".

 

2. Energy saving principle of economizer

Add a heat recovery process to the cycle, increase the average temperature of heat absorption, thus increasing the cycle efficiency. In the process of boiler (drum boiler) startup, the cycle of steam water pipeline is not established, that is, the boiler water supply is in a stagnant state, at this time, the water in the economizer is in a non flowing state. With the strengthening of boiler combustion, the flue gas temperature increases, The water in economizer is easy to vaporize, which makes the part of economizer in the state of over temperature. In order to avoid this situation, the centralized downpipe of steam drum is connected to the inlet of economizer, which is used as recycling pipeline to make the water in economizer in flowing state and avoid vaporization. This is the recycle valve between economizer and steam drum! (it must be opened when the boiler stops feeding in hot state)

 

3. Function and working principle of economizer recycle pipe

Although water has been put on the water level to the lowest visible water level of water level gauge (-100mm) before the boiler is ignited, the water level rises due to the increase of boiler water temperature and volume expansion. With the further improvement of boiler water temperature, steam gradually occurs in the water wall and the water level of boiler rises further. That is, boiler from ignition has a considerable period of time do not need to water reasons!

If there is no water flow in the economizer, it may be damaged due to overheating. If a recycle pipe is installed at the lower part of the steam drum and the inlet of economizer, when the boiler is not supplied with water during the ignition process, the recirculation valve is opened, and the water temperature in the drum is low, without steam and heavy. In this way, the cycle circuit is composed of drum, recycle pipe and economizer pipe. The recycle pipe is equivalent to the downcomer, and the economizer pipe is equivalent to the rising pipe. The boiler water in the drum is pushed by the circulating pressure head to flow through the economizer to the steam drum continuously, thus preventing the economizer from overheating and damage due to the water free flow. Because the economizer is heated by flue gas, the water temperature in the pipe increases and some steam is produced, which is of small weight; When the boiler makes up water, in order to prevent short circuit of water supply, water enters the drum directly from the recycle pipe, and the recirculation valve shall be closed. Because of the water hammer resistance and steam generation of cast iron economizer, the method of setting up recycle pipe can not be used to solve the cooling problem of economizer in the ignition process. The boiler with cast iron economizer is usually equipped with bypass flue to solve the cooling problem of economizer during ignition.

Economizer is the heating surface of saturated water under the pressure of drum when boiler feed water is heated in the flue at the tail of boiler. It absorbs relatively low temperature flue gas, reduces the exhaust gas temperature of flue gas, saves energy and improves efficiency, so it is called economizer. The steel tube economizer is not limited by pressure, and can be used as boiling type, which is generally made of carbon steel pipe with an outer diameter of 32-51 mm. Sometimes fins and ribs are added to the tube to improve the heat transfer effect.

 

4. What is the function of economizer

The main function of economizer is to absorb the waste heat of flue gas to heat the boiler water supply, reduce the exhaust temperature and improve the boiler thermal efficiency. After the feed water temperature is heated further, it enters the drum, reducing the temperature difference between the water supply pipe and the drum wall, which will reduce the thermal stress on the drum wall, which is conducive to extending the service life of the drum.

In addition, before entering the evaporation heating surface (water wall), the feed water is heated in the economizer first, which reduces the heat absorption of water in the evaporation heat surface, which is equivalent to replacing some evaporation heating surfaces with economizer. The cost of economizer heating surface is much lower than that of evaporation heating surface. Therefore, it is reasonable to install economizer in view of boiler manufacturing economy. Boiler economizer is a heat exchange equipment which uses the flue gas from the tail of boiler to preheat the boiler feed water. It can effectively reduce the temperature of boiler exhaust, improve the boiler thermal efficiency, and save fuel, so it is named.

 

5. Classification of economizer

According to the different materials used, the economizer can be divided into cast iron economizer and steel tube economizer; According to the different preheating degree of water supply, it can be divided into boiling economizer and non boiling economizer steel tube economizer, which can be boiling type or non boiling type. Because of the strong pressure bearing capacity of steel tube economizer, the economizer of steel tube must be used for boiler working pressure P ≥ 2.4Mpa.  。 The wear resistance and corrosion resistance of cast iron are strong, so it is most common to use cast iron economizer in industrial boiler, especially for industrial boilers without deaeration equipment. But the cast iron is brittle and the ability to bear stress is not as good as steel. Therefore, it is generally used for low-pressure boiler with working pressure P ≤ 1.6Mpa, and it should be non boiling economizer. The outlet water temperature should be lower than the saturation temperature under corresponding pressure by more than 30 ℃ to ensure the safety and reliability of its work.

 

Reheater

 

1. Classification:

• Low temperature reheater

• High temperature reheater

 

2. Temperature regulation mode:

• The tail flue baffle is used to adjust the temperature.

• Fine-tuning water spray is arranged on the connecting pipe between the low temperature reheater and the high temperature reheater.

• The temperature of the first stage two-point water spray is reduced, and the water spray points on the left and right sides can be adjusted separately

 

3.  Low temperature reheater (data of 600MW) 

3.1. first pipe group of horizontal section Φ fifty-seven × 4.5, SA-210C, s1=114.3, s2=76, 6 winding, 168 screens, R85

3.2. second pipe group of horizontal section Φ fifty-seven × 4.5, SA-210C, s1=114.3, s2=76, 6 winding, 168 screens, R85

3.3. third pipe group of horizontal section Φ fifty point eight × 4.5,15GrMoG。 S1 = 228.6mm, 84 screens, R76, r90

3.4. vertical section of outlet of low temperature reheater Φ fifty point eight × 4.8, 12Cr1MoVG, s1=228.6mm, 84 screens, R120, r90

3.5. inlet header of low temperature reheater Φ six hundred and eighty-five point eight × 28,SA-106C

3.6. outlet header of low temperature reheater Φ seven hundred and eleven point two × 45.6,SA335P11

3.7. add anti-corrosion facilities on snake shaped pipe bank near soot blower.

3.8. the inlet and outlet header of low temperature reheater are divided into two sections from the center line, and the long pipe joint is delivered, and the butt welding site between the header boxes is completed. 6 pipe joints shall be left at both ends of the welding joint at the header site to be welded, and welding shall be conducted after butt joint at the site of header.

3.9. the weight of vertical outlet section of low temperature reheater is carried by the middle three rows of pipes and transferred to the outlet header (the three row pipe joints at the bottom of the header are designed as parallel oblique opening holes). The weight of the other pipes is transferred to the middle three pipes one by one through U-shaped load-bearing blocks.

 

4. High temperature reheater

4.1. A total of 84 screens, 10 tubes of each screen are wound into U-shaped, and the pipe specification Φ fifty point eight × 4.5, transverse pitch 228.6, longitudinal pitch 70, and heating surface pipes in furnace are sa-213tp347h.

4.2. High temperature reheater inlet header Φ seven hundred and thirty-six point six × 43,SA335P11

4.3. High temperature reheater outlet header Φ eight hundred and twelve point eight × 50,SA335P91

4.4. Add corrosion prevention facilities to the snake shaped pipe bank near the soot blower

4.5. The weight of the snake shaped pipe panel inlet section of the high temperature reheater is borne by the middle 4 rows of pipes and transferred to the inlet header (the two row pipe joints at the bottom of the header are designed as parallel oblique opening holes). The weight of the other pipes is transferred to the middle two pipes one by one through the U-shaped load-bearing block.

4.6. The weight of the outlet section of the pipe screen is supported by a transition beam, and is transmitted to the header at the outlet of the high temperature reheater by the suspender.

 

Boiler pipe Standard for Reheater, Superheater, Economiser
ASME SA106-------Seamless steel pipe for high temperature 
ASME SA179-------Cold-drawn seamless, material in low carbon steel for heat exchanger and condenser

ASME SA192-------Seamless carbon steel boiler tubes for high pressure service

ASME SA210-------Seamless medium-carbon steel boiler and superheater tubes

ASME SA213-------Seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes
ASME SA335-------Seamless ferritic Alloy-Steel Pipe for high temperature

DIN17175 ----------Seamless steel pipe for high pressure boiler

EN10216-2 --------Seamless steel tubes for boiler tube, power plants

GB5310------------Alloy steel seamless steel pipe for boiler superheater, reheater and other heating surface piping systems

GB3087 -----------Low medium pressure seamless carbon steel pipes for boilers

 

Boiler pipe Grades for Reheater, Superheater, Economiser

 

Standard Grade Out diameter Wall thickness
ASME SA106 SA106B, SA106C 21.3-1067mm 2-150mm
ASME SA179  SA179 19-76.2mm 2-15mm
ASME SA192 SA192 19-177.8mm 2-30mm
ASME SA210 SA210A1, SA210C 19-127mm 2-20mm
ASME SA213 T11, T12, T22, T23, T91, T92 19-127mm 2-20mm
ASME SA335 P11, P12, P22, P23, P36, P91, P92 60.3-1067mm 2-150mm
DIN17175 ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910 19-1067mm 2-150mm
EN10216-2 P195GH, P235GH, P265GH, 16Mo3, 13CrMo4-5, 10CrMo9-10,
15NiCuMoNb5-6-4(WB36), X10CrMoVNb9-1, X10CrWMoVNb9-2
19-1067mm 2-150mm
GB5310 20G, 20MnG, 25MnG, 15CrMoG, 12Cr1MoVG, 12Cr2MoG,
15Ni1MnMoNbCu, 12Cr2MoWVTiB, 10Cr9Mo1VNbN, 10Cr9MoW2VNbBN
19-1067mm 2-150mm
GB3087 10, 20 19-1067mm 2-150mm

 

 

Boiler pipe specifications for Reheater, Superheater, Economiser (660MW in typical)

Marks Particulars OD in mm Nominal thickness in mm material Quantity per Boil
E1A 1 ECONOMIZER INLET PIPE 558.8 54 SA-106C 1
E1B 2 ECONOMIZER INLET PIPE 406.4 39 SA-106C 1
E2 —— ECONOMIZER INLET HEADER 323.9 40 SA-106C 1
E3 —— ECONOMIZER TUBE 38.1 3.7 SA-210C 640
E4 —— ECONOMIZER INTERMEDIATE HEADER 219.1 27 SA-106C 3
E5 —— ECONOMIZER HANGER TUBE 54 6.1 SA-210C 240
E6 —— ECONOMIZER OUTLET HEADER 323.9 43 SA-106C 1
E7 —— ECONOMIZER OUTLET PIPE 318.5 30 SA-106C 4
S1 —— SATURATED STEAM PIPE 168.3 20 SA-106C 28
S2 —— ROOF INLET HEADER 219.1 20 SA-106C 1
S3 —— ROOF TUBE (FRONT) 63.5 20 SA-210C 160
S4 —— ROOF TUBE (REAR) 60.3 20 SA-210C 160
S5 1 SECONDARY PASS REAR WALL TUBE 60.3 20 SA-210C 160
2 SECONDARY PASS REAR WALL TUBE (BEND) 60.3 20 SA-210C  
S6 —— SECONDARY PASS REAR WALL OUTLET HEADER 482.6 20 SA-106C 1
S7 —— SECONDARY PASS SIDE WALL INLET HEADER 482.6 20 SA-106C 2
S8 —— SECONDARY PASS FRONT WALL INLET HEADER 482.6 20 SA-106C 1
S9 1 SECONDARY PASS SIDE WALL TUBE 54 20 SA-210C 192
2 SECONDARY PASS SIDE WALL TUBE (BEND) 54 20 SA-210C  
S10 1 SECONDARY PASS FRONT WALL TUBE 54 20 SA-210C 160
2 SECONDARY PASS FRONT WALL TUBE (Y-PIECE) 54 20 SA-210C 80
3 SECONDARY PASS FRONT WALL TUBE (Y-PIECE) 57.1 20 SA-210C 80
S11 —— SECONDARY PASS FRONT WALL HANGER TUBE 57.1 20 SA-210C 80
S12 —— SECONDARY PASS FRONT WALL OUTLET HEADER 355.6 20 SA-106C 1
S13 —— SECONDARY PASS SIDE WALL OUTLET HEADER 508 20 SA-106C 2
S14 1 PRIMARY SH INLET PIPE (COLD SIDE) 457.2 20 SA-106C 2
2 PRIMARY SH INLET PIPE (HOT SIDE) 457.2 20 SA-106C 2
S15 —— PRIMARY SH INLET HEADER 355.6 20 SA-106C 1
S16 1 PRIMARY SH TUBE 50.8 20 SA-210C 960
2 PRIMARY SH TUBE 50.8 20 SA-213T12 960
3 PRIMARY SH TUBE 50.8 20 SA-213T12 960
4 PRIMARY SH TUBE 50.8 20 SA-213T12 960
S17 —— PRIMARY SH OUTLET HEADER 457.2 20 SA-335P12 1
S18 —— PRIMARY SH DeSH INLET PIPE 508 20 SA-335P12 2
S19 —— PRIMARY SH  DeSH 508 20 SA-335P12 2
S20 —— PRIMARY SH DeSH OUTLET PIPE 508 20 SA-335P12 2
S21 —— SECONDARY SH INLET HEADER 406.4 20 SA-335P12 2
S22 1 SECONDARY SH TUBE 6.3 20 SA-213T12 24
2 SECONDARY SH TUBE 54 20 SA-213T12 384
3 SECONDARY SH TUBE 60.3 20 SA-213TP347H 24
4 SECONDARY SH TUBE 54 20 SA-213TP347H 192
5 SECONDARY SH TUBE 54 20 SA-213T12 192
6 SECONDARY SH TUBE 54 20 SA-213T12 384
7 SECONDARY SH TUBE 60.3 20 SA-213T12 24
8 SECONDARY SH TUBE (SHORT PIECE) 60.3 20 SA-213TP347H 24
9 SECONDARY SH TUBE (SHORT PIECE) 54 20 SA-213TP347H 192
10 SECONDARY SH TUBE (SHORT PIECE) 60.3 20 SA-213TP347H 192
11 SECONDARY SH TUBE (SHORT PIECE) 54 20 SA-213TP347H 24
S23 —— SECONDARY SH OUTLET HEADER 457.2 20 SA-335P12 2
S24 —— SECONDARY SH DeSH INLET PIPE 508 20 SA-335P12 2
S25 —— SECONDARY SH DeSH 508 20 SA-335P12 2
S26 —— SECONDARY SH DeSH OUTLET PIPE 508 20 SA-335P12 2
S27 —— TERTIARY SH INLET HEADER 508 20 SA-335P12 1
S28 1 TERTIARY SH TUBE 57.1 20 CASE2328-1 78
2 TERTIARY SH TUBE 50.8 20 SA-213T12 741
3 TERTIARY SH TUBE 50.8 20 CASE2199-1 663
4 TERTIARY SH TUBE 57.1 20 CASE2328-1 39
5 TERTIARY SH TUBE 50.8 20 CASE2328-1 741
6 TERTIARY SH TUBE 50.8 20 CASE2328-1 780
7 TERTIARY SH TUBE (SHORT PIECE) 57.1 20 SA-213T12 39
8 TERTIARY SH TUBE (SHORT PIECE) 571 20 SA-213TP347H 39
9 TERTIARY SH TUBE (SHORT PIECE) 50.8 20 CASE2199-1 702
10 TERTIARY SH TUBE (SHORT PIECE) 50.8 20 SA-213TP347H 39
11 TERTIARY SH TUBE (SHORT PIECE) 50.8 20 SA-213TP347H 702
12 TERTIARY SH TUBE (SHORT PIECE) 50.8 20 CASE2199-1 741
13 TERTIARY SH TUBE (SHORT PIECE) 50.8 20 SA-213TP347H 741
14 TERTIARY SH TUBE (SHORT PIECE) 57.1 20 CASE2199-1 39
15 TERTIARY SH TUBE (SHORT PIECE) 57.1 20 SA-213TP347H 39
S29 —— TERTIARY SH OUTLET HEADER 609.6 20 CASE2199-1 1
R1 1 PRIMARY RH INLET HEADER (FRONT) 457.2 23.8 SA-106C 2
2 PRIMARY RH INLET HEADER (SIDE) 457.2 23.8 SA-106C 2
R2 1 PRIMARY RH TUBE 63.5 3.5 SA-213T12 611
2 PRIMARY RH TUBE 63.5 4.5 SA-213T12 611
R3 1 PRIMARY RH OUTLET HEADER (FRONT) 558.8 32 SA-106C 1
2 PRIMARY RH OUTLET HEADER (SIDE) 558.8 32 SA-106C 2
R4 1 SECONDARY RH INLET PIPE 609.6 23 SA-106C 2
2 SECONDARY RH INLET PIPE 813 25 SA-106C 1
R5 —— SECONDARY RH INLET HEADER 609.6 28 SA-106C 2
R6 1 SECONDARY RH TUBE 63.5 3.5 CASE2199-1 624
2 SECONDARY RH TUBE 63.5 3.5 SA-213T12 624
3 SECONDARY RH TUBE 63.5 4 CASE2328-1 78
4 SECONDARY RH TUBE 63.5 3.5 SA-213TP347H 546
5 SECONDARY RH TUBE 63.5 3.5 CASE2328-1 156
6 SECONDARY RH TUBE (SHORT PIECE) 63.5 4 SA-213TP347H 78
7 SECONDARY RH TUBE (SHORT PIECE) 63.5 3.5 SA-213TP347H 1170
R7 1 TERTIARY RH TUBE 63.5 3.5 CASE2199-1 546
2 TERTIARY RH TUBE 63.5 3.5 CASE2328-1 858
3 TERTIARY RH TUBE (SHORT PIECE) 63.5 3.5 SA-213TP347H 546
4 TERTIARY RH TUBE (SHORT PIECE) 63.5 4 SA-213TP347H 702
5 TERTIARY RH TUBE (SHORT PIECE) 63.5 4 CASE2199-1 702
R8 —— TERTIARY RH OUTLET HEADER 711.2 34 CASE2199-1 2
R9 —— PRIMARY RH BYPASS LINE PIPE 273 23.8 SA-106C 2