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压滤机入料泵的创新技术
作者: 更新日期:2019-12-04 13:36:06 浏览次数:

 压滤机入料泵的创新技术

ZJE- II专用泵是一种性能特殊的杂质泵。 近年来,被业内人士称之为
“压滤机专用入料加压泵”。该泵由后侧面吸入浆液,简单的填料密
封无泄漏,更重要的是其流量、扬程曲线很陡,非常适合-些特殊的
工况。
[压滤机入料泵]产品特点
选用本资料所列主要技术参数为泵在1480r/min时的数据,对于要求
压力低的工祝,可适当的切削叶轮或降低泵转数来解决,还可选用我
厂生产的zj系列渣浆泵,zj 型泵的机械密封与ZJE- I泵一样“无泄
露”。本资料只提供几个直连传动的基础尺寸。因地形限制或改变泵
转数需要皮带传送的基础尺寸,由现场提供具体数据另行设计。皮带
传动方式-般由尾架式、平行式、背托式传动。
[压滤机入料泵]适用范围
水力设计、结构设计先进新颖、效率高、抗腐蚀、运行平稳可靠;
前期入料流量大,压力低;
后期压榨流量小,压力高;
轴密封简单可靠,不注水、不用机械密封、无泄露;
压滤入料不用变频调速,输送浓度高。
[压滤机入料泵]创新技术特点
1.独特的密封装置
采用负压技术加组合密封装置,在压力不断增加而流量逐渐减少的情
况下,密封组件不承受压力,尤其是在后期压榨期时因泵在大压力下,
其创新密封结构设计,保证轴封处基本达到无泄漏。
2.双级叶轮的结构设计
该泵采用双主泵体,双主叶轮的结构设计,彻底解决了单泵单叶轮泵
在入料初期时振动和噪音过大、性能曲线平坦、叶轮流道窄、通过性
能差等缺点非常适合压滤机入料时应阻力的变化来实现大流量低压
力喂料与小流量、高压力过滤的要求。
3.双叶轮泵比单叶轮泵抗耐磨性更好
因双叶轮泵以较低的叶轮出口线速度获得更高的泵出口压力从而克
服了单叶轮泵为增加压力而增加叶轮线速度,而导致叶轮、泵壳磨损
加剧的缺点,有效的提高水泵等过流部件的寿命。
4.应用范围广
该产品可采用铸钢、高铬铸铁(耐腐耐磨材料)、不锈钢等多种材质
制造,可适合不同的介质需求,用户选用的范围更广。
5.叶轮与泵壁的间隙可调
独特的轴承箱设计,用户在常时间使用后,因磨损造成压力下降时,
可通过调整叶轮与泵壁的间隙来继续保障水泵的高压力,提高了水泵
的使用寿命、延长了水泵大修周期,克服了传统单叶轮压滤泵因磨损
压力下降快,经常更换叶轮使用寿命短等缺点。
型号有: 65ZJE-II、 80ZJE-II、100ZJE-II、125ZJE-II
 
 
Innovative technology of feed pump of filter press
Zje-ii special pump is a kind of impurity pump with special performance. In recent years, it has been called
"Special feed pressure pump for filter press". The pump sucks the slurry from the rear side, with simple packing density
There is no leakage in the seal. More importantly, the flow and head curves are very steep, which are very suitable for some special
Working condition.
Product features
The main technical parameters listed in this document are the data of pump at 1480r / min. for requirements
If the pressure is low, you can cut the impeller properly or reduce the number of pump revolutions. You can also choose me
ZJ series slurry pump produced by our factory, the mechanical seal of ZJ type pump is the same as zje-i pump
Dew. Only a few basic dimensions of direct drive are provided in this document. Due to terrain limitation or change of pump
The number of revolutions requires the basic size of belt transmission, and the specific data provided by the site shall be designed separately. Belt
Transmission mode - it is generally driven by tailstock type, parallel type and back support type.
Application scope of [filter press feed pump]
Hydraulic design and structural design are advanced and novel, with high efficiency, corrosion resistance, stable and reliable operation;
In the early stage, the feed flow is large and the pressure is low;
In the later stage, the press flow is small and the pressure is high;
The shaft seal is simple and reliable, without water injection, mechanical seal and leakage;
The pressure filter feed does not need frequency control, and the conveying concentration is high.
Innovative technical features
1. Unique sealing device
The negative pressure technology and combined sealing device are used to reduce the flow rate when the pressure is increasing
In this case, the sealing components will not bear pressure, especially in the later stage of pressing because the pump is under high pressure,
Its innovative seal structure design ensures that there is no leakage at the shaft seal.
2. Structure design of two-stage impeller
The pump adopts the structure design of double main pump body and double main impeller, which completely solves the problem of single pump and single impeller pump
In the early stage of feeding, the vibration and noise are too large, the performance curve is flat, the impeller flow channel is narrow, and the trafficability is good
The disadvantages such as energy difference are very suitable for the change of resistance when the filter press is feeding to realize large flow and low pressure
Force feed and low flow, high pressure filtration requirements.
3. The wear resistance of double impeller pump is better than that of single impeller pump
Because the double impeller pump obtains higher pump outlet pressure with lower linear speed of impeller outlet, it can reduce
The linear speed of the impeller is increased to increase the pressure of the single impeller pump, which results in the abrasion of the impeller and the pump casing
Aggravate the shortcomings, effectively improve the life of the pump and other flow parts.
4. Wide application range
The product can be made of cast steel, high chromium cast iron (corrosion-resistant and wear-resistant material), stainless steel and other materials
Manufacturing, can be suitable for different media needs, users choose a wider range.
5. The clearance between impeller and pump wall is adjustable
Unique bearing box design, when the pressure drops due to wear after the user uses it for a long time,
By adjusting the clearance between the impeller and the pump wall, the high pressure of the water pump can be maintained and the water pump can be improved
The utility model has the advantages of longer service life, longer overhaul period of water pump, and overcomes the wear of traditional single impeller filter press pump
The pressure drops fast, and the impeller is often replaced with short service life.
Models: 65zje-ii, 80zje-ii, 100zje-ii, 125zje-ii
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