Medium

工作介质

Nitrogen

氮气

Inlet flow Nm³/h

流量Nm³/h

2500

Inlet pressure MPa (A)

进口压力MPa (A)

1.0

Inlet temperature K

进口温度K

243

Outlet temperature ℃

出口温度℃

-118.7

Outlet pressure MPa (A)

出口压力MPa (A)

0.14

Efficiency %

效率%

83

Gas flow adjustment range

气体流量调节范围

±20%

Brake type

制动方式

Blower

风机制动

SN

序号

Describe

描述

Materials and specifications

材料及规格

Qty

数量

2.1.1

Expander main machine

透平膨胀机主机

1 set

1 套

2.1.2

Base and foundation bolts

底座、地脚螺栓

Carbon steel welding parts

碳钢焊接件

1 set

1 套

2.1.3

Cold insulation box

保冷箱

Carbon steel welding parts

碳钢焊接件

1 set

1 套

2.1.4

Adjustable nozzle components

可调喷嘴部件

Stainless steel forgings

不锈钢锻件

1 set

1 套

2.1.5

Expander impeller

膨胀机叶轮

Wrought aluminum

锻铝

1 set

1 套

2.1.6

Blower impeller

风机叶轮

Wrought aluminum

锻铝

1 set

1 套

2.1.7

Bearing

轴承

Copper -Babbitt alloy composite

铜-巴氏合金复合

1 set

1 套

2.1.8

sealing sleeve

密封套

Copper -Babbitt alloy composite

铜-巴氏合金复合

1 set

1 套

2.1.9

Expander machine body

膨胀机机身

ZG230-450

1 set

1 套

2.1.9

Expander volute

膨胀机蜗壳

ZG0Cr18Ni9

1 set

1 套

2.1.10

Blower volute

风机蜗壳

ZG230-450

1 set

1 套

2.1.11

Sealing gas system

密封气系统

1 set

1 套

2.1.12

Precision pressure reducing valve

精密减压阀

1 set

1 套

2.1.13

Sealing gas inlet filter

密封气进口过滤器

1 set

1 套

2.1.14

Sealing gas inlet one-way valve

密封气进口单向阀

1 set

1 套

2.1.15

Sealing gas inlet globe valve

密封气进口截止阀

1 set

1 套

2.1.16

Stainless steel pressure gauge

不锈钢压力表

1 set

1 套

2.1.17

Bimetal thermometer

双金属温度计

1 set

1 套

2.1.18

Liquid level gauge

液位计

1 set

1 套

2.1.19

Expander inlet filter (with stainless steel flange, bolt, gasket)

膨胀机进口过滤器(带不锈钢法兰、螺栓、垫片)

1 set

1 套

2.1.20

Blower inlet filter (with carbon steel flange, bolt, gasket)

风机进口过滤器(带碳钢法兰、螺栓、垫片)

1 set

1 套

2.1.21

Expander inlet and outlet corrugated pipe compensator (with aluminum shoulder ring, stainless steel flange, bolt, gasket)

膨胀机进出口波纹管补偿器（带铝肩圈、不锈钢法兰、螺栓、垫片)

1 set

1 套

2.1.22

Adjustable nozzle actuator

可调喷嘴执行机构

1 set

1 套

2.1.23

Tachometer and speed sensor

转速表及转速传感器

1 set

1 套

2.1.24

Expander end bearing platinum resistance thermometer

膨胀端轴承铂电阻温度计

1 set

1 套

2.1.25

Blower end bearing platinum resistance thermometer

风机端轴承铂电阻温度计

1 set

1 套

2.1.26

Blower end inlet and outlet silencer风机端进出口消声器

1 set

1 套

2.1.27

All flanges are paired flanges and include connectors such as gaskets, bolts, nuts, etc. The flange standard adopts HG/T20592-2009 B series.

所有法兰为成对法兰并包括垫片、螺栓、螺母等联接件。法兰标准采用：HG/T20592-2009 B系列。

SN

序号

Describe

描述

Qty

数量

2.2.1

Oil tank (with refueling port and inspection hole)

油箱（带加油口及检查孔）

1 pc

1 个

2.2.2

Three screw pump (vertical motor)

三螺杆泵（立式电机）

2 sets(One use, one prepare) 2台 (一用一备)

2.2.3

Oil cooler

油冷却器

1 pc

1 个

2.2.4

Duplex strainer

双联过滤器

1 pc

1 个

2.2.5

Accumulators

蓄能器

1 pc

1 个

2.2.6

Jet type oil mist separator

射流式油雾分离器

1 pc

1 个

2.2.7

Electric heater (heated to start-up temperature within 8 hours)

电加热器(8小时内加热到开机温度)

1 pc

1 个

2.2.8

Self-operated pressure regulating valve (automatic)

自力式压力调节阀（自动）

1 pc

1 个

2.2.9

Stainless steel pipeline valves

不锈钢管路阀门

1 pc

1 个

2.2.10

Stainless steel oil supply pipeline

不锈钢供油管路

1 set

1 套

2.2.11

Tank temperature platinum thermistor

油箱温度铂热电阻

1 set

1 套

SN

序号

Describe

描述

Qty

数量

2.3.1

Oil filter cartridge

油过滤器滤芯

2 pc

2 个

2.3.1.1

O-ring and gasket

O型圈及垫片

1 set

1 套

2.3.1.2

Front sealing sleeve

前密封套

1 pc

1 个

2.3.1.3

Rear sealing sleeve

后密封套

1 pc

1个

SN

序号

Describe

描述

Qty

数量

Use position

使用位置

2.4.1

Accumulator inflation tool

蓄能器充气工具

1 pc

Accumulator

蓄能器