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第二章 LH系列螺杆式水冷冷水机组(R22)一、产品概述1、产品特点：在水冷冷水机市场上，效率和运行成本越来越为人们所关注，格力螺杆式水冷冷水机组高效节能，运行稳定可靠，还可以选择附加热回收功能，在制冷运行的同时，可免费提供最高55℃的生活热水，不附加消耗能源。
在名义工况下的制冷量范围为：190～1700KW，可广泛适用于各类办公楼宇、医院、学校、商场，也可应用于生产工艺流程的降温。
1）高效节能◆采用满液式蒸发方式A、蒸发器中的制冷剂分布更均匀，温度场优化换热效率更高。
B、满液式蒸发器，大幅度地提高了机组的蒸发温度，提升了机组的换热效率。
C、通过与高性能高可靠性的专用螺杆压缩机的搭配，大大提升了机组的制冷量和能效比。
D、热回收时利用制冷产生的余热制取热水，能源利用效率更高，减少了能源消耗和对环境的热污染。
E、热回收器内置于壳管冷凝器中，不附加占用空间，外形简洁美观。
F、热回收器内采用高效换热铜管，抗腐蚀性能强，保证生活热水的清洁卫生。
◆新型节流A、自动计算最佳能效比值，并快速调节实际值，按需输出进一步优化控制逻辑。
B、电子膨胀阀更精确地调节制冷流量及蒸发器液位的变化。
C、机组的部分负荷效率始终保持最高，运行范围更宽。
获取中国首批冷水机组节能认证证书◆多机并联、部分负荷效率更高A、由于大部分运行时间处于非设计工况，在选择冷水机组时应注意：它不但要满足满负荷的设计要求，并且在较低负荷时，以及冷却塔水温较低时也能高效运行，相同满负荷能效比的冷水机组，在部分负荷运行费用有时会相差10%以上。
B、部分负荷综合值（IPLV）真实有效反映部分负荷的性能指标。
C、格力满液式多机并联技术，可设置双机并联运行，也可设置单机独立运行，部分负荷运行时效率更高，IPLV值可高达7.5。
部分负荷效果图◆容量调节与机组负荷匹配A、可根据用户需求进行有级或无级容量调节。
B、压缩机在最小负荷位置启动，可对制冷量进行无级调节。
C、无级滑阀调节强制输气，与实际负荷完全匹配。
神钢微油螺杆式空气压缩机操作规程1、通电①接通主电源；②接通漏电保护断路器。
同时确认控制器的电源指示灯亮灯。
2、压力设定①在用户界面主菜单上找到【设定】，点击【设定】进入；②在设定菜单中找到【压力设定】，点击【压力设定】进入；③查看各项设定是否符合要求。
如需变更，请点击右下角的【变更】；④如需设定压力，请点击显示数字的对话框，变更数据后，点击【ENT】即可。
3、启动①启动方式设定选择为本地控制（【LOCAL】灯亮），按启动键【START】，启动空压机；②检查确认空压机运行状况：油位是否处与红黄线之间；排气压力、排气温度是否过高（排气温度≤90℃）4、停机①按关机键【STOP】，倒计时10s停机。
停机后应确认压缩机内压力已降低，因为压缩机内的压缩空气会自动放空；②断开漏电保护断路器。
5、紧急停机由于紧急情况需要立即停止压缩机的话，请按下【EMERGENCY STOP】（紧急停机）按钮。
6、紧急停机后重启在紧急停机后重启压缩机前，应按要求进行如下操作：①按下紧急停机键后，触摸屏上显示异常停止界面，先拨出【EMERGENCY STOP】按钮，并在触摸屏界面上按【确认】键；②回到主菜单后，选择并按下【记录】键，进入后选择【报警状况】，选定本次紧急停机报警后，长按【RESET】键直至本次报警解除；③启动方式设定选择为本地控制（【LOCAL】灯亮），按启动键【START】，启动空压机；【操作注意事项】1、空压机正常运行时，排气温度不得高于90℃。
若高于90℃，应打开门板查看油位，油位不得低于油位下限；若油位下降很多，应及时检修；2、空压机工作时，环境温度不得高于40℃；3、【压缩机设定】中设定一般均设置为出厂设定，不要轻易更改；4、停机后不可立即重启，应等待2mins后才可重启，因为机内仍有内压；5、换热器除尘一周两次，并且在运行状态下除尘；6、油汽堵塞检查应每周一次；7、3000小时应更换油滤、空滤和润滑油，6000小时应更换油分芯。
1. Scope1.1. This specification is for a gear driven, oil-lubricated, single-stage air cooled rotary screw aircompressor. The compressor shall be a 55 kW Atlas Copco model GA55 or pre-approved equivalent.1.1. The compressor shall deliver 162 l/s at 8.5 bar in accordance with ISO 1217, Annex C. L/s is FAD litresper second at inlet conditions.1.2. The units shall be manufactured in accordance with this specification. The construction as describedin this specification is considered essential and critical to the application. The vendor shall state in hisquotation any and all exceptions to the specification.2. General2.1. The rotary screw air compressor shall be capable of producing and delivering 100% of the required airdemand as specified at standard operating conditions.2.2. The compressor shall be designed and supplied as a complete package with all necessary equipment,including but not limited to the following components: inlet filter, air compression element, drive motor, aftercooler with integral moisture separator, oil cooler, cooling fan, motor starter, microprocessorregulation and control system. All components shall be mounted on a common solid base frame andfully enclosed with a sound attenuating enclosure.2.3. The compressor package shall be rated to operate in ambient conditions from 0°C to 46°C.2.4. The units shall be manufactured by a qualified manufacturer who has been manufacturing aircompressors for at least ten (10) years.2.5. The compressor manufacturer shall be certified under ISO 9001 / 9002 quality standards and ISO14001 environmental standards.2.6. The manufacturer must participate in the Compressed Air & Gas Institute (CAGI) PerformanceVerification program.3. Compressor Enclosure3.1. The compressor shall be enclosed in a steel sound attenuating canopy with removable panels.3.2. The sound attenuating material shall be flame retardant polyurethane foam.4. Noise Levels4.1. The compressor package shall not exceed 69 dB(A) when measured in the free field conditions at onemeter in accordance with the CAGI-Pneurop Test Code.5. Compressor Element5.1. The compression profile shall be of the asymmetric profile design with four lobes on the male rotor andsix lobes on the female rotor.5.2. The male and female rotors shall have the same diameter.5.3. The element housing shall be of cast iron construction.6. Drive Motor6.1. The drive motor must be a Totally Enclosed Fan Cooled (TEFC) type.6.2. The full-load efficiency rating must meet or exceed NEMA premium standards.6.3. The motor shall conform with NEMA MG 1 for 60Hz applications and IEC 34-1, EN60034-1 for 50 Hzapplications.6.4. The inboard motor bearing shall be lubricated by the compressor lubricant and the rear motor bearingsshall be greased for the life of the motor.6.5. The complete motor shall be 100% maintenance-free.6.6. Approved manufacturers include:A. SiemensB. WEGC. ABB7. Drive Arrangement7.1. The drive arrangement shall be a gear-driven design.7.2. The drive system shall be fully enclosed to protect against dirt and dust intrusion.7.3. The drive gear shall be directly mounted on the end of the motor shaft eliminating the need for acoupling.7.4. The driven gear shall be helically cut to exert compensating thrust on the rotors to offset axial loadsgenerated during compression.8. Cooling System8.1. The compressor package shall be fitted with a water-cooled, stainless steel, plate and frame oil coolerand aftercooler.8.2. The plates must be brazed together with copper.9. Moisture Separator9.1. The compressor shall be equipped with a labyrinth style moisture separator integrated in the dischargeside of the after-cooler.10. Electronic Water Drain10.1. The compressor will have a zero loss electronic water drain plumbed to the aftercooler.10.2. These drains shall discharge no compressed air during removal of the condensate.10.3. The zero loss drains shall be monitored by the microprocessor controller.10.4. A manual condensate drain shall also be included.11. Inlet Air Filter11.1. The filter shall be a paper cartridge type and be factory installed inside the compressor enclosure.11.2. The filter shall have the following SAE fine efficiency ratings:1 micron: 98.0%2 microns: 99.5%3 microns: 99.9%11.3. The filter shall be equipped with a differential pressure indicator for monitoring by the control system.11.4. The service interval of the filter must be at least 4,000 hours.12. Oil System12.1. The oil system shall include an ASME approved air/oil separator with oil level indicator. The serviceinterval of the separator element must be at least 8,000 hours.12.2. The oil filter shall be a spin-on type with an integrated bypass valve. The oil filter element will have a12 micron beta 75 rating and the service interval must be at least 8,000 hours.12.3. The oil temperature shall be regulated by means of a thermostatic bypass valve. Oil circulation isachieved through differential pressure.12.4. The oil must be synthetic and rated for a change interval of 8,000 hours.12.5. The oil system must use o-rings to provide a positive seal. No gaskets can be used.13. Electric Cubicle13.1. The control cubicle must be designed to NEMA 3R or IP 54 standards.13.2. The cubicle must include a cooling fan and vent to force ambient air through the cubicle.13.3. A wye-delta starter must be used to start the main drive motor.14. Regulating and Control System14.1. The compressor shall have a regulating system which is of the full load / no load design, controlled byan air compressor discharge pressure sensor which senses the pressure variations at the compressor discharge and maintains it within a pre-set adjustable range.14.2. The full load / no load regulation shall be combined with a start / stop regulation to automatically stopthe compressor as required.14.3. The compressor shall be equipped with an onboard microprocessor controller which will control,monitor and protect the operation and condition of the air compressor.14.4. The controller shall have a 3.5” color display.14.5. The controller shall allow programming of two pressure bands for loading and unloading.14.6. Time based start / stop and changeover for net pressure band shall be programmable.14.7. The control algorithm shall include a function to proactively stop the compressor during periods of lowdemand without having to wait for the stop timer to time out.14.8. The controller must be capable of automatically restarting the compressor in the event of a voltagefailure.14.9. The controller must be capable of graphing any of the measured temperature or pressure inputs on thedisplay. The time frame of the graph shall be adjustable from 4 minutes to 10 days.14.10. The compressor shall be able to be controlled locally, remotely or via a local area network.14.11. The controller must be equipped with auxiliary contacts for external indication of automatic or manualload control, general warning and general shutdown conditions.14.12. The controller must be capable of providing remote monitoring by a PC through the local Ethernetsystem via an Ethernet port on the controller.14.13. The controller must be capable of providing remote monitoring via a iPhone, iPad, or Android phone ortablet.14.14. The controller shall monitor the hours of operation and output a message on the display to notify theoperator to provide preventative maintenance in accordance with the factory approved service plan. 14.15. The control system shall have the capability to monitor the following functions:•Discharge air pressure •Element outlet temperature •Ambient temperature •Compressor status •Motor overload status •Running hours •Loaded hours •Regulator hours14.16. Compressor protective functions shall include:•Emergency stop •Element outlet temperature •Drive and cooling fan motor overload •Service warnings15. Shipment and Delivery Preparation15.1. The compressor must be packaged on a wooden skid and fully enclosed with a wooden enclosure.16. General Installation Requirements16.1. Upon placement on a level surface and connection to essential utilities, the unit shall be providedavailable for immediate operation.16.2. The compressor must not require bolting to the floor.。
螺杆制冷压缩机的操作规程范文一、前期准备工作1. 检查螺杆制冷压缩机的外观是否完好，并清除机器周围杂物，确保通风良好。
2. 检查螺杆制冷压缩机的电源线是否连接稳固，并保证电源供应稳定。
3. 检查并清理螺杆制冷压缩机的冷却水箱，确保水流通畅。
4. 检查螺杆制冷压缩机的润滑油是否充足，并按要求进行添加。
二、开机操作1. 打开螺杆制冷压缩机主电源开关，并确保指示灯点亮。
2. 按下启动按钮，使螺杆制冷压缩机开始运行。
3. 观察螺杆制冷压缩机的运行状态，包括噪音是否正常、震动是否稳定等。
4. 检查螺杆制冷压缩机的润滑油压力是否正常，确保在允许范围内。
5. 检查螺杆制冷压缩机的冷却水流量是否正常，确保冷却效果良好。
6. 监控螺杆制冷压缩机的压力、温度等参数，并做好记录。
三、正常运行1. 监控螺杆制冷压缩机的运行状态，包括压力、温度、电流等参数，并做好记录。
2. 定期检查螺杆制冷压缩机的润滑油，确保充足且质量良好。
3. 检查螺杆制冷压缩机的冷却水流量，确保冷却效果良好。
4. 定期清洁螺杆制冷压缩机的外壳和散热器，确保热量散发正常。
5. 定期检查螺杆制冷压缩机的各项配件，若有异常情况及时修理或更换。
四、停机操作1. 关闭螺杆制冷压缩机的供电，同时确保主电源开关处于关闭状态。
2. 停用螺杆制冷压缩机之前，应等待一段时间，确保压力降低到安全范围内。
3. 停用螺杆制冷压缩机后，应及时清理机器周围的杂物，整理工作场地。
4. 定期对螺杆制冷压缩机进行检修和保养，保证设备的长期稳定运行。
五、注意事项1. 遵守相关安全操作规程，禁止破坏或更改螺杆制冷压缩机的安全装置。
2. 禁止将螺杆制冷压缩机用于超过其额定功率的工作环境。
3. 禁止将螺杆制冷压缩机用于其不适用的工作场合。
4. 禁止私自更换或拆卸螺杆制冷压缩机的零配件。
5. 遇到螺杆制冷压缩机故障时，应立即停机，并联系维修人员进行修理。
总结：以上为螺杆制冷压缩机的操作规程，希望能够在实际操作中严格遵守，确保设备的正常运行及人员的安全。
