环保二级压缩www.878365.com的使用现状介绍 - 济南www.878365.com价格
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环保二级压缩www.878365.com的使用现状介绍
Time:2019-05-10 17:54:40       来源:/      

二级紧缩www.878365.com的呈现正是为了协助广阔用户节降耗。二级紧缩www.878365.com可以经过二级紧缩器的二级紧缩调理,应用改动电源的频率来控制紧缩电机的转速,从而带动空气端转速变化,完成产气量能够大范围的调理,充沛顺应用户在不同工况下的用气需求,进步用气效率。同时,由于可以完成平滑地调理,防止需求变化惹起的电机频繁启停,能够维护电机,延长机组运用寿命,同时降低能耗。目前国内做的比拟好的二级紧缩www.878365.com里有宁波的德曼二级紧缩,其均匀节点值能够到达29.5%。二级紧缩运转不只可以降低能源本钱,还能减少对设备的冲击,使维护和维修量也随之降低,运转本钱大大降低。此外,在普通工况下,二级紧缩www.878365.com电机转速只要额定的60%~70%,www.878365.com运转时的噪音也会大大降落。

The presentation of two-stage compact air compressor is precisely to help a wide range of users to save consumption. The two-stage compressor can control the speed of the compressor motor by changing the frequency of the power supply through the two-stage contraction adjustment of the two-stage compressor, so as to drive the speed change of the air terminal, complete the large-scale adjustment of the gas production, fully meet the user's gas demand under different working conditions, and improve the gas efficiency. At the same time, because it can complete smooth conditioning, prevent frequent start-up and shutdown of motor caused by changing demand, it can maintain the motor, prolong the service life of the unit, and reduce energy consumption. At present, there are two-stage compaction air compressors in Ningbo, and the average node value of the two-stage compaction air compressor can reach 29.5%. Secondary austerity operation can not only reduce energy costs, but also reduce the impact on equipment, so that the maintenance and maintenance volume will also be reduced, operating costs will be greatly reduced. In addition, under normal working conditions, the motor speed of the two-stage compressor is only 60%-70% of the rated speed, and the noise of the compressor will be greatly reduced.
二级紧缩螺杆www.878365.com有如此多的节能优势,使得二级紧缩www.878365.com越来越遭到市场的欢送,逐步在各行各业中开端普遍应用。特别是在一些能耗相对较高的行业中,二级紧缩www.878365.com的运用不只给用户降低了能耗,减少了消费本钱,而且进步了消费效率和产品的工艺程度。以下笔者将着重引见二级紧缩螺杆www.878365.com在一些行业的应用情况。
Secondary screw compressor has so many energy-saving advantages that it is more and more popular in the market, and gradually began to be widely used in all walks of life. Especially in some industries with relatively high energy consumption, the use of two-stage compressor not only reduces energy consumption and consumption cost, but also improves consumption efficiency and product process. The following author will focus on the application of two-stage screw air compressor in some industries.
www.878365.com的额定排气压力能够分为超高压(100MPa以上)、高压(100-10MPa)、中压(1.0-10MPa)、低压(0.7-1.0MPa)、超低压(0.7MPa以下)。近年来随着自动化水平的逐渐进步,超低压的气源应用越来越普遍,如污水处置、粉尘保送、化纤化工等行业。这些行业普通请求气压在0.3-0.5MPa之间,以前普通用户会购置0.7MPa的www.878365.com,经过减压阀来降压至0.4MPa左右,这样就存在高压低用这一糜费现象。如今由于超低压气源运用的越来越多,市场上也有一些专用的超低压空气紧缩机。但是由于设计用气量和实践运用量的误差或用户消费量的起伏,会招致www.878365.com产气和实践用气很难到达分歧。为了到达www.878365.com所产的气和用户所耗费的量到达均衡,普通会采用进时令流或排气泄放等办法来完成,这类控制办法还是存在极大的糜费。最理想的方法是采用二级紧缩调速来控制www.878365.com的产气量,到达多用多产,少用少产,恒压精准供气。
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The rated exhaust pressure of air compressor can be divided into ultra-high pressure (above 100MPa), high pressure (100-10MPa), medium pressure (1.0-10MPa), low pressure (0.7-1.0MPa), ultra-low pressure (below 0.7MPa). In recent years, with the gradual progress of automation level, the application of ultra-low pressure gas sources has become more and more common, such as sewage disposal, dust delivery, chemical fiber and chemical industry. In these industries, the common request pressure is between 0.3 and 0.5 MPa. In the past, ordinary users would buy 0.7 MPa air compressor, which will be reduced to about 0.4 MPa by pressure reducing valve, so there is a phenomenon of low pressure and waste. Nowadays, due to the increasing use of ultra-low pressure air sources, there are also some special ultra-low pressure air compressors on the market. However, due to the deviation of design gas consumption and practice gas consumption or fluctuation of user consumption, it will be difficult to reach differences between air compressor gas production and practice gas consumption. In order to reach the balance between the gas produced by the air compressor and the amount consumed by the users, the method of timing flow or exhaust discharge is usually used to complete the control, which still has a great waste. The most ideal method is to control the air compressor's gas production by two-stage compact speed regulation, so as to achieve more use and more production, less use and less production, and accurate gas supply at constant pressure.
目前我国水泥企业大局部www.878365.com的能源应用率也比拟低。水泥企业普通用气压力在0.25-0.5MPa之间,选用常规的0.7MPawww.878365.com将形成宏大的电力糜费。且当www.878365.com输出压力大于一定值时,或者自动翻开泄载阀,会使异步电动机空转,严重糜费能源;如停机,电动机频繁的启动、中止,影响电机的运用寿命,且www.878365.com工频启动电流大,对电网冲击大,电机轴承磨损大,设备维护量大。运用二级紧缩螺杆空气紧缩机能够经过PLC和二级紧缩器调理,减少以往因霎时用气量大而www.878365.com长期空转所损耗的电能,完成矢量产气、恒压供气。在水泥行业,运用二级紧缩www.878365.com的节能效果十分显著,如某水泥企业应用的其投入124万元购置的德曼二级紧缩www.878365.com,节能效率高达48.4%,年节能达380万千瓦时以上。
At present, the energy utilization rate of most air compressors in cement enterprises in China is also comparatively low. The common pressure used in cement enterprises is between 0.25 MPa and 0.5 MPa. The selection of the conventional 0.7 MPa air compressor will result in a huge power waste. When the output pressure of air compressor is greater than a certain value, or when the relief valve is automatically turned on, the asynchronous motor will idle, seriously wasting energy; for example, the frequent start-up and stop of the motor will affect the service life of the motor, and the power frequency start-up current of the air compressor is large, the impact on the power grid is large, the bearing wear of the motor is large, and the maintenance of the equipment is large. The use of two-stage screw air compressor can be regulated by PLC and two-stage compressor, which can reduce the power loss of air compressor due to the large amount of air used in a short time and the long-term idling of air compressor, and complete vector gas production and constant pressure gas supply. In the cement industry, the energy-saving effect of using two-stage compact air compressor is very remarkable. For example, the energy-saving efficiency of the Deman two-stage compact air compressor, which was purchased by a cement enterprise with an investment of 1.24 million yuan, is as high as 48.4%, and the annual energy-saving is more than 3.8 million kWh.
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