DSH 20 Form 6410

User Manual: DSH-20

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Form No. 6410
(Rev. 11/06)

BRYAN STEAM
®

Spray Type Boiler Feedwater Deaerators
Capacities 5,000 to 60,000 PPH (145 to 1740 BHP)

Performance Features
•
•
•
•
•
•
•

Oxygen removal to .005 cc/l (7 PPB)
CO2 removal to 0% measurable
Reduce chemical costs
Reduce boiler and system corrosion
Improve boiler efficiency
Pre-heat boiler feedwater
Quick equipment payback,
compared to chemical oxygen removal

Construction Features

Vent to Atmosphere
Internal Vent Condenser

Spray
Nozzles

15,000 PPH unit shown

The Bryan spray type deaerator is rated for oxygen
removal to .005cc/l (7 PPB) and CO2 to zero measurable across its entire operating range. With its all
stainless steel spring loaded spray valve and second
stage steam scrubber, the spray type deaerator is a

SPRAY
PATTERN

• Constructed to ASME Section VIII,
Division I for 50 PSIG
• Easily accessible manway
• Standard 10 minutes
deaerated water storage
• Internal vent condenser for minimum
steam loss
• Self-adjusting spring-loaded
steel spray valve
Condensatestainless
Return
and Water Make-up Inlet
• Structural steel stand/pump platform
• 2-stage deaeration
Pre-Heater Section
• Available
as completely packaged unit
including pumps and control panel

SPRAY
PATTERN

good choice for all deaerator applications.
Units are available with a complete range of
boiler feedpumps and control options making them
a total deaerator package with minimal amount of
field assembly.

Deaerator
Scrubber Section
Non-Condensable Gases (O2, Co2)
Deaerated Water
Steam
Condensate Return
and Water Make-up

Condensate Return
and Water Make-up Inlet

Horizontal
Tank Design

Internal Vent Condenser
Vent to Atmosphere

Spray Nozzle
Pre-Heater Section

Steam Inlet
Nozzle

Deaerator Outlet Nozzles
Vent to Atmosphere

Internal Vent Condenser

Integral
Tank Design

Spray
Nozzles

SPRAY
PATTERN

Condensate Return
and Water Make-up Inlet

SPRAY
PATTERN

Pre-Heater Section

Spray
Pattern

Deaerator
Scrubber Section

Non-Condensable Gases (O2, Co2)
Deaerated Water
Steam
Condensate Return

Deaerator
Scrubber Section
Deaerator
Outlet Nozzles

Non-Condensable Gases (O2, Co2)
Deaerated Water
Steam
Condensate Return
and Water Make-up

Deaerator Outlet Nozzles

Bryan Spray Type Deaerators — Horizontal and Integral

8

H

Integral
Tank Design

J

Horizontal
Tank Design

11

7

14

I

4

1

3

15

16

5 6
2

C*

8

H

E

4

11

C*

10

7

1

14

5

16

6

2

13

12

3

15

G

10
13

12

9

9

D*

D*

E
B

E
B

F
A

*Note: Stand height varies depending upon pump specifications
and job conditions. Dimensions are for reference only and may
change without notice. Consult factory for certified dimensions.

1.
2.
3.
4.
5.
6.
7.
8.
9.

A

High water level control
Low water level control
Make-up water control
Vacuum breaker
Temperature gauge
Pressure gauge
Overflow trap
Vent
Pump suction

F

10.
11.
12.
13.
14.

Pump bypass
Chemical port
Drain
Sample port
High temperature
condensate return
15. Gauge glass
16. Manway access opening

Specifications
Capacity
Model

Pounds/
hr (kg/h)

Dimensions in inches (cm)
Storage
in
gallons
(liters)

A

B

C*

D*

E

F

G

H

I

J

Overall
length

Overall
width

Overall
height

Stand
height

Stand
width

Stand
length

Vessel
diameter

Vessel
height

Spray
dome
height

Spray
dome
width

145
(1,422)
290
(2,844)
435
(4,267)
580
(5,689)
725
(7,111)
870
(8,533)

200
(757)
200
(757)
300
(1,136)
400
(1,514)
500
(1,893)
600
(2,271)

124
(315)
124
(315)
121
(307)
117
(297)
137
(348)
156
(396)

56
(142)
56
(142)
62
(158)
68
(173)
68
(173)
68
(173)

103
(262)
103
(262)
109
(277)
115
(292)
115
(292)
115
(292)

48
(122)
48
(122)
48
(122)
48
(122)
48
(122)
48
(122)

36
(91)
36
(91)
42
(107)
48
(122)
48
(122)
48
(122)

80
(203)
80
(203)
75
(191)
66
(168)
85
(216)
104
(264)

36
(91)
36
(91)
42
(107)
48
(122)
48
(122)
48
(122)

54.5
(138)
54.5
(138)
60.5
(154)
66.5
(169)
66.5
(169)
66.5
(169)

—

—

—

—

—

—

—

—

—

—

—

—

1,014
(9,956)
1,159
(11,378)
1,304
(12,800)
1,449
(14,222)
1,739
(17,067)

700
(2,650)
800
(3,028)
900
(3,407)
1,000
(3,785)
1,200
(4,542)

137
(348)
151
(354)
141
(358)
134
(340)
177
(450)

68
(173)
68
(173)
74
(188)
80
(203)
80
(203)

153
(388)
153
(388)
159
(399)
165.5
(420)
165.5
(420)

48
(122)
48
(122)
48
(122)
48
(122)
48
(122)

48
(122)
48
(122)
54
(137)
60
(152)
60
(152)

86
(218)
100
(254)
85
(216)
78
(198)
120
(305)

48
(122)
48
(122)
54
(137)
60
(152)
60
(152)

105
(267)
105
(267)
110.5
(281)
117
(297)
117
(297)

47.25
(120)
47.25
(120)
47.25
(120)
47.25
(120)
47.25
(120)

36
(91)
36
(91)
36
(91)
36
(91)
36
(91)

Boiler
hp
(kW)

Horizontal Tank Design
DSH-5
DSH-10
DSH-15
DSH-20
DSH-25
DSH-30

5,000
(2,268)
10,000
(4,563)
15,000
(6,804)
20,000
(9,072)
25,000
(11,340)
30,000
(13,608)

Integral Tank Design
DST-35
DST-40
DST-45
DST-50
DST-60

35,000
(15,876)
40,000
(18,144)
45,000
(20,412)
50,000
(22,680)
60,000
(27,216)

Bryan Steam LLC — Leaders Since 1916

783 N. Chili Ave., Peru, Indiana 46970 U.S.A.
Phone:765-473-6651 • Internet:www.bryanboilers.com
Fax: 765-473-3074 • E-mail: bryanboilers@iquest.net
Form No. 6410

©2006 Bryan Steam LLC

116-8339
Printed in USA
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