压滤机皮带传输机特点和性能优缺点分析
皮带传输机,也叫皮带输送机、皮带传送机。在污泥污水处理系统中,应该怎样给压滤机选配滤饼传送装置呢?
Belt conveyor, also called belt conveyor, belt conveyor. In the sludge sewage treatment system, how should the filter press filter cake transmission device be allocated to the filter press?
我们知道,压滤机对污泥污水过滤之后,液体被挤压渗透出去,固体被留在滤室里形成滤饼。滤室打开,滤饼掉落,这时候就需要在滤室下面有一个接料和传输装置,及时把掉下来的滤饼送走。那么,选择压滤机滤饼传送装置需要注意哪些事情呢?
We know that after filtering the sewage sludge from the filter press, the liquid is squeezed out and the solid is left in the filter chamber to form a filter cake. The filter chamber is opened and the filter cake falls. At this time, there is a feeder and transmission device under the filter chamber. The filter cake is sent off in time. So, what do you need to pay attention to by choosing a filter cake transmission device?
压滤机和压滤机下面的皮带传输机
Belt conveyor underneath filter press and filter press
目前大部分压滤机滤饼传送装置采用的是皮带传输机,皮带机驱动装置主要分减速电机驱动、电动滚筒驱动,皮带机驱动方式有很多不同的配置。选择合适的滤饼传送装置,一方面体现了压滤机设计是否合理,另外对压滤机运行是否正常、维修费用和维修量等问题具有重要影响。那么,应该怎样给压滤机选配滤饼传送装置呢?那么,应该怎样给压滤机选配滤饼传送装置呢?下面我们队目前市场上最流行的几种皮带传输机进行详细分析:
At present, most of the filter cake conveying device of the pressure filter adopts the belt conveyor. The belt conveyor drive device is mainly divided into the deceleration motor drive, the electric drum drive, and the belt conveyor drive way has many different configurations. Choosing the right cake conveying device, on the one hand, reflects the rationality of the design of the filter press, and it also has an important influence on the operation of the filter press, maintenance cost and maintenance volume. So, how should the filter press filter cake transmission device? So, how should the filter press filter cake transmission device? Here are a few of the most popular belt conveyer in the market.
1.电动滚筒
1. electric roller
电动滚筒分内装式电动滚筒和外装式电动滚筒。主要区别在于内装式电动滚筒电动机装在滚筒内部,外装式电动滚筒电动机装在滚筒外部,并与滚筒刚性联接。
Electric drum internal mounted electric drum and yzw. The main difference is that the inner mounted electric roller motor is installed in the cylinder, and the external electric roller motor is installed outside the drum and connected with the roller rigid.
内装式电动滚筒电动机散热性较差,一般用在功率为30千瓦以下、机长小于150米的皮带传输机上。
The inner mounted electric roller motor has poor heat dissipation, which is usually used on the belt transmission machine with a power of less than 30 kilowatts and less than 150 meters in length.
外装式电动滚筒电动机散热性较好,一般用在功率为45千瓦以下、机长小于150米的皮带传输机上。
The external mounted electric roller motor has good heat dissipation, which is usually used on the belt transmission machine with a power of less than 45 kilowatts and less than 150 meters in length.
优点:结构紧凑,维修费用低,可靠性高,驱动装置和传动滚筒合二为一。
Advantages: compact structure, low maintenance cost, high reliability, and combination of driving device and drive roller.
缺点:软起动性能差,电动机启动时对电网冲击大。可靠性比Y型电动机+联轴器+减速器驱动方式差。
Shortcomings: soft starting performance is poor, when the motor starts, it has a great impact on the power grid. The reliability is worse than the Y type motor + coupling + decelerator.
皮带传输机的电动滚筒
Electric roller of belt conveyer
2.Y型电动机+联轴器+减速器
2.Y motor + coupling + decelerator
一般用在功率为45千瓦以下、机长小于150米的皮带传输机上。
It is usually used on a belt conveyor with a power of less than 45 kilowatts and less than 150 meters in length.
优点:结构简单,维护工作量小,维修费用低,可靠性高。
Advantages: simple structure, small maintenance workload, low maintenance cost, high reliability.
缺点:软起动性能差,电动机启动时对电网冲击大。
Shortcomings: soft starting performance is poor, when the motor starts, it has a great impact on the power grid.
3.Y型电动机+限矩型液力偶合器+减速器
3.Y type motor + limited torque hydraulic coupler and reducer
这种驱动方式是皮带传输机上使用较为广泛的一种驱动装置。限矩型液力偶合器分带后辅室限矩型液力偶合器和不带后辅室限矩型液力偶合器。由于带后辅室限矩型液力偶合器在电动机启动时,液力油由后辅室通过节流孔缓慢进入液力偶合器工作腔,所以其启动性能优于不带后辅室限矩型液力偶合器。
This driving method is a more widely used driving device on the belt conveyer. The moment limited torque coupling is divided into the auxiliary chamber and the torque limiting coupler and the moment type hydraulic coupling without the auxiliary chamber. Because the rear auxiliary chamber limited torque coupling is used to start the hydraulic motor when the motor starts, the hydraulic oil slowly enters the working chamber of the fluid coupling through the orifice of the auxiliary chamber, so its starting performance is better than that of the rear auxiliary chamber limited torque type fluid coupling.
但是由于带后辅室限矩型液力偶合器启动时间长、发热量大。所以在限矩型液力偶合器选型时,如果选用带后辅室限矩型液力偶合器,在液力偶合器有两个型号均能满足其传递功率时,由于该形式液力偶合器启动时间长,发热量大,所以应优先选用较大型号液力偶合器。
However, the starting time of the coupling moment hydraulic coupling with the rear auxiliary chamber is long and the calorific value is great. So in the selection of torque hydraulic coupler, if used with auxiliary chamber yox, the hydraulic coupling of two models can meet its transmission power, because of the form of hydraulic coupler and the heat, it should be preferred a large number of hydraulic coupler.
如果选用不带后辅室限矩型液力偶合器,在液力偶合器有两个型号均能满足其传递功率时,由于该形式液力偶合器启动时间较短、发热量较小,所以应优先选用较小型号液力偶合器。
If there is no auxiliary chamber limited torque hydraulic coupler, if two types of hydraulic couplings can meet their transmission power, the smaller hydraulic coupling should be preferentially selected because of the shorter start-up time and less calorific value of the hydraulic coupling.
对于有多台电动机驱动的皮带传输机,如果选用Y型电动机+限矩型液力偶合器+减速器驱动方式,液力偶合器建议选用带后辅室限矩型液力偶合器。由于限矩型液力偶合器受散热条件限制,所以Y型电动机+限矩型液力偶合器+减速器驱动方式一般用在单机功率为630千瓦以下,机长小于1500米的皮带传输机上。
For belt conveyor with multiple motor drives, if Y motor + torque limiting fluid coupling + reducer drive mode is adopted, hydraulic coupling is recommended to use rear auxiliary chamber limited torque coupling. Because the torque limiting fluid coupling is limited by the heat dissipation condition, the driving mode of Y motor + torque limiting fluid coupling + reducer is usually applied to the belt conveyor with a single power less than 630 kilowatts and a captain less than 1500 meters.
优点:性价比高,结构简单紧凑,维护工作量小,维修费用低,保护电动机过载,多台电动机驱动时,能平衡电机功率,可分台延时启动,减小皮带传输机起动时对电网的冲击,可靠性高,价格低,是机长小于1500米的皮带传输机的首选驱动方式。
Advantages: cost-effective, simple and compact structure, small maintenance workload, low maintenance cost, protect the motor overload, driving motor, motor power balance, can be divided into Taiwan start delay, reduce the impact on the power grid, the belt transmission machine starting with high reliability, low price, is the preferred way of driving belt transmission machine is less than the captain the 1500 metre.
缺点:软起动性能较差,不宜用于下运皮带传输机及要求具有调速功能的皮带传输机。
Shortcomings: soft starting performance is poor, it is not suitable for the belt conveyer and the belt conveyer that requires speed regulating function.
Y型电动机+限矩型液力偶合器+减速器
Y type motor + limited torque hydraulic coupler and reducer
4.Y型电动机+调速型液力偶合器+减速器
4.Y type motor + speed regulating hydraulic coupling + decelerator
该驱动方式是大型皮带传输机常用的一种驱动方式,一般用在机长大于800米的长距离大型皮带传输机上。
The driving mode is a kind of driving mode commonly used for large belt conveyer, which is usually used on long distance large belt conveyor with the length of more than 800 meters.
优点:结构较简单,负荷启动,保护电动机过载,维护工作量较小,电动机空多台电动机驱动时,可分台延时启动,减小皮带传输机启动时对电网的冲击,可靠性较高,软启动性能较好,具有启动可控性能,即启动时间可控、启动速度曲线可控,价格较低。
Advantages: simple structure, load starting, motor overload protection, maintenance workload is small, multi motor drive motors, can be divided into Taiwan start delay, reduce the impact on the power grid, the belt transmission machine start-up high reliability, good performance of soft start, starting with controllable performance, i.e., the start time of controllable starting speed curve controllable, low price.
缺点:液力偶合器启动时,由于液力偶合器工作腔油量变化和速度变化曲线为非线性关系且具有置后性,所以可控性动态响应慢,做闭环控制难度较大,有时有渗油现象发生。不宜用于下运皮带传输机及要求
Disadvantages: when the hydraulic coupling starts, due to the nonlinear relationship between the oil volume and the speed change curve of the fluid coupling, the dynamic response is slow, so the closed-loop control is difficult and sometimes the phenomenon of oil leakage occurs. Not suitable for the conveyor belt conveyer and requirements