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当前位置:密封件 > 专业知识> 威尔顿气动隔膜泵膜片的密封件材料故障分析及维护保养!(图文)

威尔顿气动隔膜泵膜片的密封件材料故障分析及维护保养!(图文)

责任编辑:爱密特网络部 来源:坚持原创发表时间:2023-04-18

威尔顿气动隔膜泵是一种以气压为动力,通过隔膜泵腔内的膜片来实现吸入和排出液体的泵。东晟密封件告诉您膜片是威尔顿气动隔膜泵的核心部件之一,它的质量和性能直接关系到泵的使用寿命和泵的工作效率。因此,选择合适的膜片材料和正确的维护保养方法对于威尔顿气动隔膜泵的使用非常重要。

 

一、膜片材料的选择

威尔顿气动隔膜泵膜片材料一般有聚四氟乙烯、氯丁橡胶、氟橡胶等几种。不同的材料有不同的优缺点,需要根据具体情况选择。

 

1.聚四氟乙烯膜片

聚四氟乙烯膜片具有优异的耐腐蚀性、耐高温性、耐磨损性和耐老化性,可以在-20℃至150℃的范围内使用。由于聚四氟乙烯的化学稳定性很高,因此可以在处理腐蚀性液体和高温液体时使用。但是,聚四氟乙烯膜片的弹性较差,容易变形和破裂,且价格较高。

 

2.氯丁橡胶膜片

氯丁橡胶膜片具有良好的耐油性、耐磨性、耐老化性和耐热性,在-30℃至100℃的范围内使用。氯丁橡胶膜片弹性好,不易变形,价格相对较低。但是,氯丁橡胶膜片在处理高浓度酸、碱、溶剂等强腐蚀性介质时容易老化,使用寿命较短。

 

3.氟橡胶膜片

氟橡胶膜片具有良好的耐腐蚀性、耐高温性、耐磨损性和耐老化性,在-20℃至150℃的范围内使用。由于氟橡胶的化学稳定性很高,因此可以在处理腐蚀性液体和高温液体时使用。但是,氟橡胶膜片的弹性较差,容易变形和破裂,且价格较高。

因此,根据不同的介质和工况要求,选择合适的膜片材料是非常重要的。

 

二、膜片的故障分析及处理方法

1.老化

膜片老化是威尔顿气动隔膜泵常见的故障之一。随着膜片使用时间的增加,其弹性会逐渐降低,变硬变脆,容易破裂或变形。膜片老化的主要原因是氧化、光照、热、酸、碱等介质的侵蚀。

处理方法:定期更换膜片,避免使用过期或存放不当的膜片,同时保持泵的清洁和维护,避免介质对膜片的侵蚀。

 

2.破裂

膜片的破裂可能是由于介质的冲击或过载引起的。当介质的压力超过膜片所能承受的极限时,膜片就会破裂。

处理方法:定期检查膜片的状况,及时更换破损的膜片,避免介质过载或压力过高。

 

3.变形

膜片的变形可能是由于介质的温度或压力变化引起的。当介质的温度或压力超过膜片所能承受的极限时,膜片就会发生变形,从而影响泵的工作效率。

处理方法:避免介质温度或压力过高,选择合适的膜片材料,定期检查膜片的状况,及时更换变形的膜片。

 

三、膜片的生产工艺和质量控制

威尔顿气动隔膜泵的膜片生产工艺和质量控制非常重要,直接关系到产品的质量和性能。

1.材料采购

威尔顿气动隔膜泵的膜片生产需要采购优质的原材料,如聚四氟乙烯、氯丁橡胶、氟橡胶等。在采购过程中,需要对材料进行严格的检验和评估,确保材料的质量符合产品的要求。

2.生产工艺控制

在膜片的生产过程中,需要控制各个环节的工艺参数,如温度、压力、时间等,以确保产品的一致性和稳定性。同时,需要对每个生产批次进行质量检查和测试,确保产品符合相关标准和要求。

3.产品检验

威尔顿气动隔膜泵的膜片需要进行严格的产品检验和测试,包括外观检查、尺寸检查、弹性测试、压力测试等。只有通过严格的产品检验和测试,才能确保产品的质量和性能。

 

四、膜片的维护保养技巧

1.清洗

在泵的使用过程中,膜片可能会受到介质的污染或沉积物的堆积,影响其使用寿命和工作效率。因此,需要定期清洗膜片,避免介质对膜片的侵蚀和污染。

2.更换

膜片的使用寿命有限,一般需要定期更换。在更换膜片时,需要选择合适的膜片材料,并按照正确的安装方法进行更换,以确保产品的质量和性能。

3.保养

威尔顿气动隔膜泵的膜片需要定期进行保养,如涂抹防腐剂、加油、检查密封等。定期保养可以延长膜片的使用寿命和泵的工作效率。

总之,威尔顿气动隔膜泵的膜片是该泵的核心部件之一,选择合适的材料、正确的维护保养方法和严格的

 

Wilton pneumatic diaphragm pump is a type of pump that is powered by air pressure and uses the diaphragm inside the diaphragm pump chamber to suction and discharge liquids. The diaphragm is one of the core components of the Wilton pneumatic diaphragm pump, and its quality and performance are directly related to the pump's service life and work efficiency. Therefore, selecting appropriate diaphragm materials and correct maintenance methods is crucial for the use of Wilton pneumatic diaphragm pumps.

 

 

1Selection of Diaphragm Materials

The diaphragm materials of Wilton pneumatic diaphragm pumps generally include polytetrafluoroethylene, chloroprene rubber, fluororubber, and other types. Different materials have different advantages and disadvantages, which need to be selected according to specific situations.

 

1. PTFE membrane

PTFE membranes have excellent corrosion resistance, high temperature resistance, wear resistance, and aging resistance, and can be used in the range of -20 to 150 . Because of its high chemical stability, polytetrafluoroethylene can be used to treat corrosive liquids and high-temperature liquids. However, polytetrafluoroethylene membranes have poor elasticity, are prone to deformation and rupture, and are more expensive.

 

2. Neoprene diaphragm

Neoprene rubber membranes have good oil resistance, wear resistance, aging resistance, and heat resistance, and can be used in the range of -30 to 100 . Neoprene rubber membranes have good elasticity, are not easily deformed, and are relatively inexpensive. However, chloroprene rubber membranes are prone to aging and have a shorter service life when dealing with highly corrosive media such as high concentrations of acids, alkalis, and solvents.

 

3. Fluorine rubber diaphragm

Fluorine rubber membranes have good corrosion resistance, high temperature resistance, wear resistance, and aging resistance, and can be used in the range of -20 to 150 . Due to the high chemical stability of fluororubber, it can be used in the treatment of corrosive liquids and high-temperature liquids. However, fluororubber membranes have poor elasticity, are prone to deformation and rupture, and are more expensive.

Therefore, it is very important to choose appropriate membrane materials based on different media and operating conditions.

 

 

2Fault Analysis and Handling Methods of Diaphragm

1. Aging

Diaphragm aging is one of the common faults in Wilton pneumatic diaphragm pumps. As the usage time of the membrane increases, its elasticity will gradually decrease, become hard and brittle, and it is easy to crack or deform. The main reason for membrane aging is the erosion of media such as oxidation, light, heat, acid, and alkali.

Treatment method: Regularly replace the diaphragm, avoid using expired or improperly stored diaphragms, and keep the pump clean and maintained to avoid medium erosion of the diaphragm.

 

2. Rupture

The rupture of the diaphragm may be caused by the impact or overload of the medium. When the pressure of the medium exceeds the limit that the diaphragm can withstand, the diaphragm will rupture.

Solution: Regularly check the condition of the membrane, replace damaged membranes in a timely manner, and avoid medium overload or high pressure.

 

3. Deformation

The deformation of the diaphragm may be caused by changes in temperature or pressure of the medium. When the temperature or pressure of the medium exceeds the limit that the diaphragm can withstand, the diaphragm will deform, thereby affecting the working efficiency of the pump.

Solution: Avoid excessive medium temperature or pressure, choose suitable diaphragm materials, regularly check the condition of the diaphragm, and replace deformed diaphragms in a timely manner.

 

3Production process and quality control of membranes

The diaphragm production process and quality control of Wilton pneumatic diaphragm pump are very important, directly related to the quality and performance of the product.

 

1. Material procurement

The production of membranes for Wilton pneumatic diaphragm pumps requires the procurement of high-quality raw materials, such as polytetrafluoroethylene, chloroprene rubber, fluororubber, etc. During the procurement process, strict inspection and evaluation of materials are required to ensure that their quality meets the requirements of the product.

 

2. Production process control

In the production process of the diaphragm, it is necessary to control the process parameters of various links, such as temperature, pressure, time, etc., to ensure the consistency and stability of the product. At the same time, quality inspection and testing are required for each production batch to ensure that the product meets relevant standards and requirements.

 

3. Product inspection

The diaphragm of Wilton pneumatic diaphragm pump requires strict product inspection and testing, including appearance inspection, dimensional inspection, elasticity testing, pressure testing, etc. Only through strict product inspection and testing can the quality and performance of the product be ensured.

 

 

4Maintenance Techniques for Diaphragms

1. Cleaning

During the use of the pump, the diaphragm may be contaminated by the medium or accumulate sediment, affecting its service life and work efficiency. Therefore, it is necessary to regularly clean the membrane to avoid medium erosion and contamination of the membrane.

 

2. Replacement

The service life of the diaphragm is limited and generally requires regular replacement. When replacing the diaphragm, it is necessary to choose the appropriate diaphragm material and follow the correct installation method to ensure the quality and performance of the product.

 

3. Maintenance

The diaphragm of Wilton pneumatic diaphragm pump needs regular maintenance, such as applying anti-corrosion agents, adding oil, and checking the sealing. Regular maintenance can extend the service life of the diaphragm and the efficiency of the pump.

In short, the diaphragm of the Wilton pneumatic diaphragm pump is one of the core components of the pump, and the selection of appropriate materials, correct maintenance methods, and strict


威尔顿气动隔膜泵膜片,密封件材料,故障分析,维护保养

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