Fire pump is an important facility to ensure fire protection. Only by clearly understanding the problems of fire pump and solving these problems can we ensure the long-term use of fire pump. Let's take a look at the eight common problems of fire pump.

问题一：消防泵震动严重；

Problem 1: the fire pump vibrates seriously;

1.消防泵与电机轴不同心?调正，对准消防泵与电机轴心。

1. The fire pump and motor shaft are not concentric? Align and align the axis of fire pump and motor.

2.消防泵轴弯曲? 拆下校直或换成新的。

2. Is the fire pump shaft bent? Remove the straightening or replace it with a new one.

3.叶轮不平衡? 拆下找平衡。

3. Impeller imbalance? Remove and balance.

问题二：消防泵抽不出液体；

Problem 2: the fire pump cannot pump out liquid;

1.压出管路太细，管路损失太大? 换适合的压出管路。

1. The extruded pipeline is too thin and the pipeline loss is too large? Replace with a suitable press out line.

2.使用扬程超过了设计扬程?重新选消防泵。

2. The service lift exceeds the design lift? Re select the fire pump.

3.吸入管或消防泵内没有排净气体? 检修吸入管路并排净气体。

3. There is no exhaust gas in the suction pipe or fire pump? Repair the suction pipeline and exhaust the gas.

4.吸上高度超过允许范围? 按允许吸上高度重新安装消防泵。

4. The suction height exceeds the allowable range? Reinstall the fire pump according to the allowable suction height.

5.输送热的、挥发性的介质? 降低吸程或采用倒灌按装。

5. Transport hot and volatile media? Reduce the suction lift or adopt reverse filling and press installation.

6.转向反了?纠正转向。

6. The steering is reversed? Correct the steering.

7.没有灌注液体?重新灌消防泵。

7. Not filled with liquid? Refill the fire pump.

8.吸入管、出水管或消防泵的流道堵塞?清理杂物。

8. Is the flow passage of suction pipe, outlet pipe or fire pump blocked? Clean up sundries.

问题三：机械密封泄漏严重；

Problem 3: serious leakage of mechanical seal;

1.固定螺钉松动，使弹簧失去作用?紧固螺钉或重新调整弹簧。

1. The fixing screw is loose and the spring loses its function? Tighten the screw or readjust the spring.

2.弹簧压力不足?重新调整弹簧压缩量或换弹簧。

2. Insufficient spring pressure? Readjust the spring compression or replace the spring.

3.静环装配歪斜?重装消防泵用静环。

3. Is the static ring assembly skewed? Reinstall the stationary ring for fire pump.

4.动换或静环端面腐蚀、磨损或刮伤?更换坏的动环静环。

4. Is the end face of the moving or stationary ring corroded, worn or scratched? Replace the broken moving ring and stationary ring.

5.轴套加工精度和光洁度不够，影响了动环的轴向移动?换加工精度合格的轴套。

5. The machining accuracy and finish of the shaft sleeve are not enough, which affects the axial movement of the moving ring? Replace the shaft sleeve with qualified machining accuracy.

6.杂质、异物或介质结晶影响了动环的轴向移动或支撑在动、静环的端面之间?

6. Impurities, foreign matters or medium crystallization affect the axial movement of the moving ring or support between the end faces of the moving and stationary rings?

清理杂质、异物和结晶，完全清洗密封元件。

Clean impurities, foreign matters and crystals, and completely clean the sealing elements.

7.动环密封圈装配斜卷或腐蚀变形?重装或更换消防泵用动环密封圈。

7. Is the moving ring seal assembly inclined or corroded and deformed? Reinstall or replace the moving ring seal ring for fire pump.

问题四：消防泵用电机过热；

Problem 4: the motor for fire pump is overheated;

1.填料压盖压的太紧或机械密封弹簧调的太紧?重新调整压盖或机械密封的弹簧压缩量。

1. The packing gland is pressed too tightly or the mechanical seal spring is adjusted too tightly? Readjust the spring compression of gland or mechanical seal.

2.使用范围(流量、扬程)超过消防泵的设计要求?按系列型谱选合适的电机。

2. Does the application range (flow and head) exceed the design requirements of the fire pump? Select the appropriate motor according to the series spectrum.

3.消防泵装配质量差，有摩擦处或电机与消防泵轴不同心?检查装配质量，排除装配故障。

3. Poor assembly quality of fire pump, friction or non concentricity between motor and fire pump shaft? Check the assembly quality and eliminate assembly faults.

4.介质比重超过消防泵的配置电机?配置合适的消防泵用电机。

4. Is the medium specific gravity more than the configuration motor of the fire pump? Configure appropriate motor for fire pump.

问题五：消防泵轴承过热；

Problem 5: fire pump bearing overheating;

1.消防泵与电机轴不同心?调正，对准消防泵与电机轴心。

1. The fire pump and motor shaft are not concentric? Align and align the axis of fire pump and motor.

2.润滑油(脂)没有或不够加润滑油(脂)要求标准。

2. The lubricating oil (grease) is not or not enough. Add lubricating oil (grease) to the required standard.

3.轴承损坏?更换消防泵用轴承。

3. Bearing damaged? Replace the bearing for fire pump.

问题六：消防泵的扬程不够；

Problem 6: the lift of fire pump is not enough;

1.转速不足：检查电流，恢复转速。

1. Insufficient speed: check the current and restore the speed.

2.叶轮腐蚀严重?更换叶轮。

2. Impeller severely corroded? Replace the impeller.

3.半开式叶轮与消防泵盖间隙太大?减小间隙。

3. The clearance between the semi open impeller and the fire pump cover is too large? Reduce the gap.

4.消防泵的性能达不到设计要求?

4. The performance of the fire pump fails to meet the design requirements?

换符合设计要求的消防泵。

Replace the fire pump that meets the design requirements.

问题七：填料密封泄漏严重；

Problem 7: serious leakage of packing seal;

1.填料质量差密封性不好?更换符合要求的石棉填料。

1. Poor packing quality and poor sealing performance? Replace the asbestos filler that meets the requirements.

2.轴套磨损太多?更换轴套。

2. Too much wear of shaft sleeve? Replace the shaft sleeve.

3.填料大小不一或磨损严重?更换统一型号的填料。

3. Different sizes of fillers or serious wear? Replace the packing of the same model.

4.填料压的太松?上紧填料压盖适当程度。

4. Is the packing pressed too loose? Tighten the packing gland to the proper extent.

5.填料装置不好?调整填料搭口，使之错开一定角度不在一个方向。

5. Poor packing device? Adjust the filler lap so that it is staggered at a certain angle and not in one direction.

问题八：消防泵的流量不够；

Problem 8: the flow of fire pump is not enough;

1.密封环严重磨损或腐蚀?更换密封环。

1. Is the sealing ring severely worn or corroded? Replace the sealing ring.

2.半开式叶轮与消防泵盖间隙太大?- 减小间隙。

2. The clearance between the semi open impeller and the fire pump cover is too large- Reduce the gap.

3.吸入管路太细或杂物堵塞? 换合适管路，清理杂物。

3. Is the suction pipe too thin or blocked by sundries? Replace the appropriate pipeline and clean up the sundries.

4.叶轮严重磨损或严重腐蚀?更换叶轮。

4. Impeller severely worn or corroded? Replace the impeller.

5.吸入管浸泡的程度不够，有空气吸入消防泵内?增加吸入管的浸入程度。重装消防泵用静环。

5. The degree of immersion of the suction pipe is not enough, and air is sucked into the fire pump? Increase the immersion of the suction pipe. Reinstall the stationary ring for fire pump.

以上就是今天带给大家的知识，川消专注行业多年，为用户不断的提供有价值的内容，更多内容请继续关注我们：http://www.cx-fire.com

The above is the knowledge brought to you today. Sichuan consumer has focused on the industry for many years and continuously provided users with valuable content. Please continue to pay attention to us for more content: http://www.cx-fire.com