磁悬浮离心式模块机冷水机的研制和应用
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On-board digital electronics
两极压缩离心式压缩机 无油的磁轴承 变频驱动
一体化数字控制
21st Compressor Innovation
TT SeriesCentrifugal Compress
转速控制器 VSD
磁轴承和轴 承传感器
Baidu Nhomakorabea
永磁式同步 电机
轴承控制器 MBC
永磁体转轴 与离心叶轮
Radial bearings
Radial bearings
Impellers Sensor ring
Motor rotor Motor Sensor ring Axial bearing
Magnetic bearing
Permanent Magnet
Rotor
Electromagnet
Permanent Magnet
Up to 90%
压缩机烧毁的原因近90%缘于润滑的失效
21st Compressor Innovation TT Series Centrifugal Compressor
数字控制式磁轴承系统 完全无润滑油运行
21st Compressor Innovation TT Series Centrifugal Compressor
MT Series
Water cooled Modular Chiller
MT 系列 磁悬浮 离心式 模块化
冷水机组
MT Series water cooled chiller
MTW350 (制冷量 358kW) MTW500 (制冷量 511kW)
模块化结构 制冷量90~880TR
MV6电脑控制
Shaft's Position Controls
? Sensed and repositioned 6,000,000 times every minute
? Maximum run-out less than 7x10-3mm ? Software compensate for any out-of-balance
Multistack Australia -------since 1985 Multistack China -------since 1988 Multistack U.S.-------since 1989
Multistack 产品:
水冷模块冷热水机组 风冷模块冷热水机组 一次泵变水量模块冷热水机组 自由变频模块冷热水机组 磁悬浮离心式模块机组
机械轴承
磁悬浮轴承
Magnetic Bearing System
Two radial & one axial bearings Sensor ring
Magnetic bearing system keeps the shaft properly centered and positioned at all times.
吸气导向叶 轮
Conventional Compressor
Roller bearings or hydrodynamic bearings
润滑的烦恼
? 摩擦损失 ? 油膜覆盖换热器传热表面 ? 润滑油循环装置和控制
-- 循环油泵 -- 油冷却器和油加热器 -- 油分离器
How much did
How much did
oil degrade the performance of the chiller
16
% 14
loss Efficiency
12 10
8 6 4
2
0
012345678
Oil content in refrigerant %
How much did
oil degrade the performance of the chiller
condition in the levitated assembly
For Conventional Centrifugal Compressor
Who is Multistack?
The Creator and Leader of Modular Chiller
模块化冷水机组的发明者与领导者
MODULAR CHILLER -------- Since 1985
Multistack International Limited
Multistack 生产基地:
TT Series Centrifugal Compressor with Magnetic Bearing
About TT300…
? 1993年，Multistack 最早开始磁轴承的离心 式制冷压缩机的项目研究
? 1997年，进入样机试验阶段 ? 1999年，Turbocorp 迁往加拿大 ，成为一
MT Series Chiller
What is New?
? 磁悬浮轴承离心式压缩机 ? 不需要润滑油 ? R134a冷媒 ? 高效 COP=5.5 IPLV=8.6(0.41kW/ton) ? 安静 70dB(A) (at 3m) ? 软启动，变频驱动 ? 与压缩机一体化的数字控制系统 ? 可变水流量运行
Rotor
Electromagnet
Axial bearing
Radial bearing
Magnetic Bearing
Permanent magnets Primary work Electro-magnets Secondary trim system Bearing sensor Feed back rotor orbit
个完全独立的公司 ? 2003年，参加Chicago AHR Expo ，获得
Energy-Innovation Award
Frictionless Compressor Technology
Two-stage centrifugal compressor Oil-free Magnetic bearings Variable-speed drive
oil degrade the performance of the chiller
25 22.9
20
16.9
17.9
15 12.7
10 7.1
5 4.9
16.7 17.8 9
3.5
0
1
2
3
4
5
6
7
8
9 10
Percentage of oil in refrigerant in older chillers ASHRAE Research Project
两极压缩离心式压缩机 无油的磁轴承 变频驱动
一体化数字控制
21st Compressor Innovation
TT SeriesCentrifugal Compress
转速控制器 VSD
磁轴承和轴 承传感器
Baidu Nhomakorabea
永磁式同步 电机
轴承控制器 MBC
永磁体转轴 与离心叶轮
Radial bearings
Radial bearings
Impellers Sensor ring
Motor rotor Motor Sensor ring Axial bearing
Magnetic bearing
Permanent Magnet
Rotor
Electromagnet
Permanent Magnet
Up to 90%
压缩机烧毁的原因近90%缘于润滑的失效
21st Compressor Innovation TT Series Centrifugal Compressor
数字控制式磁轴承系统 完全无润滑油运行
21st Compressor Innovation TT Series Centrifugal Compressor
MT Series
Water cooled Modular Chiller
MT 系列 磁悬浮 离心式 模块化
冷水机组
MT Series water cooled chiller
MTW350 (制冷量 358kW) MTW500 (制冷量 511kW)
模块化结构 制冷量90~880TR
MV6电脑控制
Shaft's Position Controls
? Sensed and repositioned 6,000,000 times every minute
? Maximum run-out less than 7x10-3mm ? Software compensate for any out-of-balance
Multistack Australia -------since 1985 Multistack China -------since 1988 Multistack U.S.-------since 1989
Multistack 产品:
水冷模块冷热水机组 风冷模块冷热水机组 一次泵变水量模块冷热水机组 自由变频模块冷热水机组 磁悬浮离心式模块机组
机械轴承
磁悬浮轴承
Magnetic Bearing System
Two radial & one axial bearings Sensor ring
Magnetic bearing system keeps the shaft properly centered and positioned at all times.
吸气导向叶 轮
Conventional Compressor
Roller bearings or hydrodynamic bearings
润滑的烦恼
? 摩擦损失 ? 油膜覆盖换热器传热表面 ? 润滑油循环装置和控制
-- 循环油泵 -- 油冷却器和油加热器 -- 油分离器
How much did
How much did
oil degrade the performance of the chiller
16
% 14
loss Efficiency
12 10
8 6 4
2
0
012345678
Oil content in refrigerant %
How much did
oil degrade the performance of the chiller
condition in the levitated assembly
For Conventional Centrifugal Compressor
Who is Multistack?
The Creator and Leader of Modular Chiller
模块化冷水机组的发明者与领导者
MODULAR CHILLER -------- Since 1985
Multistack International Limited
Multistack 生产基地:
TT Series Centrifugal Compressor with Magnetic Bearing
About TT300…
? 1993年，Multistack 最早开始磁轴承的离心 式制冷压缩机的项目研究
? 1997年，进入样机试验阶段 ? 1999年，Turbocorp 迁往加拿大 ，成为一
MT Series Chiller
What is New?
? 磁悬浮轴承离心式压缩机 ? 不需要润滑油 ? R134a冷媒 ? 高效 COP=5.5 IPLV=8.6(0.41kW/ton) ? 安静 70dB(A) (at 3m) ? 软启动，变频驱动 ? 与压缩机一体化的数字控制系统 ? 可变水流量运行
Rotor
Electromagnet
Axial bearing
Radial bearing
Magnetic Bearing
Permanent magnets Primary work Electro-magnets Secondary trim system Bearing sensor Feed back rotor orbit
个完全独立的公司 ? 2003年，参加Chicago AHR Expo ，获得
Energy-Innovation Award
Frictionless Compressor Technology
Two-stage centrifugal compressor Oil-free Magnetic bearings Variable-speed drive
oil degrade the performance of the chiller
25 22.9
20
16.9
17.9
15 12.7
10 7.1
5 4.9
16.7 17.8 9
3.5
0
1
2
3
4
5
6
7
8
9 10
Percentage of oil in refrigerant in older chillers ASHRAE Research Project