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升流式壓力篩-Upflow pressure screen

升流式壓力篩-Upflow pressure screen

產品屬性

  • 所屬分類:篩選設備系列
  • 產品編號:1566353468
  • 瀏覽次數:0
  • 發布日期:2019-08-29
  • 產品概述
  • 性能特點
  • 技術參數


概述


 

升流壓力篩是我廠消化吸收進口樣機技術研制開發的一種新型再生紙漿料篩選設備。該設備針對再生紙漿中雜質的特性設計為升流結構。可廣泛應于各種廢紙漿的粗篩選及紙機

前漿料的篩選,具有無可比擬的良好工作性能和可靠性,是各種國產壓力篩用于再生漿處理的更新換代產品.

Upflow pressure screen is a new type of screening equipment for recycled pulp developed by our factory by absorbing imported prototype technology。 The equipment is designed for upflow structure according to the characteristics of impurities in recycled pulp。 It can be widely used in the rough screening of various waste pulps and the screening of pulps before paper machines。 It has incomparable good performance and reliability。 It is a renewal product of various domestic pressure sieves for the treatment of regenerated pulp。


 

 工作原理


 

眾所周知,再生紙漿中的雜質分輕雜質和重雜質兩部分。傳統型壓力篩由上部進料。低部排渣,輕雜質都通過整個篩漿區。當處理化學漿時,因漿中雜質的比重和質量一般都大于單根纖維。這種結構有利于減少雜質在設備內的停留時間,但當處理再生紙漿這種含有大量比重較小的的輕雜質時,就會大大延長輕雜質在設備內的停留時間,而造成篩選效率的下降和加大轉子同篩鼓的磨損甚至損壞。

壓力篩采取底部進漿,底部排重渣、頂部排輕渣的升流式結構設計,可有效地解決上述問題。輕雜質與漿料中的空氣自然上升到頂部排口排出,重雜質一進入機體即可沉降到底

部排出。這樣一方面有效地縮短了雜質在篩區內的停留時間,降低雜質循環的可能性,提高了篩選效率。另一方面防止重雜質對轉子和篩鼓造成的損壞,延長設備的使用壽命。

Working principle

As we all know, impurities in recycled pulp are divided into two parts: light impurities and heavy impurities. The traditional pressure screen consists of upper feed and low slag discharge. Light impurities pass through the entire sieve zone. When chemical pulp is treated, the specific gravity and mass of impurities in pulp are generally larger than that of single fiber. This structure helps to reduce the residence time of impurities in the equipment, but when the recycled pulp contains a large number of light impurities with a small proportion, it will greatly prolong the residence time of light impurities in the equipment, resulting in the decrease of screening efficiency and increase the wear and even damage of the sieve drum and the rotor.

This problem can be effectively solved by adopting the upflow structure design of bottom pulp feeding, bottom weight slag discharging and top light slag discharging. Light impurities and air in the pulp rise naturally to the top outlet and discharge, heavy impurities can settle to the bottom of the body and discharge as soon as they enter. On the one hand, it effectively shortens the residence time of impurities in the screen area, reduces the possibility of impurity circulation, and improves the screening efficiency. On the other hand, it prevents the damage caused by heavy impurities to the rotor and sieve drum, and prolongs the service life of the equipment.


 

結構性能


 

1. 篩鼓:精篩篩鼓篩縫寬度0.12mm,使用波紋棒條篩鼓,形成無毛刺槽口,不會像機械洗磨槽口產生毛刺及槽端裂縫。并可提供硬質鍍鉻工藝以提高抗磨損性能。

2. 旋翼轉子:轉子采用鼓式外裝弧形片結構,并校正動平衡。通過水力脈沖對篩鼓進行清洗。這種結構可防止雜質纏饒轉子,影響設備正常運轉。

3.外殼;由上蓋和筒體組成,筒體下部設有切向進漿管,筒體中上部設有出漿管,上蓋有排渣口及沖洗水口。

4. 傳動裝置;包括電機,皮帶輪,V型帶。皮帶張緊裝置,主軸及軸承。

Structure performance


澳门福彩1。 Screen drum: The width of screen slot of fine screen drum is 0。12mm。 Using corrugated bar screen drum, no burr groove is formed。 It will not produce burr and crack at groove end like mechanical washing and grinding groove。 The hard chromium plating process can be provided to improve wear resistance。

2. Rotary-wing rotor: the rotor adopts drum type external arc piece structure, and the dynamic balance is corrected. The sieve drum is cleaned by hydraulic pulse. This structure can prevent impurities from winding up the rotor, affecting the normal operation of the equipment.

3. Shell: It is composed of an upper cover and a cylinder body. The lower part of the cylinder body is provided with a tangential pulp feeding pipe, the upper part of the cylinder body is provided with a pulp outlet, and the upper cover is provided with a slag discharge port and a flushing water outlet.

澳门福彩4. Transmission device: including motor, belt pulley, V belt, belt tension device, spindle and bearing.


 


 

 (一)特點


 1. 下部進漿,上部出漿避免管路交叉。

2。 沉穩的底座開放式設計,便于維護和更換皮帶、皮帶輪和定位螺栓

3. 大功率傳動和密封裝置可整體裝卸,減少維修停機時間。

4。 篩鼓和轉子清洗,調節,檢查和拆卸均很方便。

5。 可配用各種類型篩鼓。如平紋。波紋篩鼓等。

6. 根據漿料性質可配用各種形式的轉子。

7. 最大操作壓力設計為875Pa,可滿足各種應用條件。

Ⅰ Characteristics

1. The lower part is used for pulp inlet, and the upper part is used for pulp outlet, so as to avoid pipeline crossing.

2。 A stable base open design for easy maintenance and replacement of belts, pulleys and positioning bolts。

3. The power transmission and sealing device can be loaded and unloaded as a whole to reduce maintenance downtime.

4. Screen drum and rotor cleaning, adjustment, inspection and demolition are very convenient.

5。 Various types of sieve drum can be used。 Such as plain weave, corrugated sieve drum and so on。

6. According to the properties of pulp, various forms of rotor can be used.

7。 The maximum operating pressure is designed to be 875Pa, which can meet various application conditions。


(二)優點


1. 采用縫寬為0.12㎜的精篩篩鼓,設置在粗篩之后,能有效去除漿中細小雜質及尺寸大于200um的油墨粒子,尤其是對漿中膠粘物的去除率可達到90%以上,是目前國內外最為推

薦的代替各種熱分散設備的最新技術方法(關于縫篩篩選法同熱分散解決膠粘物問題的比較祥見華南理工大學制漿造紙工程國家重點實驗室陳嘉翔教授撰寫的刊登在《紙和造紙》2000年第三期:“縫篩代替分散機在廢紙系統的應用”一文)

2。  重雜質排入篩底部的重雜罐,防止與轉子和篩鼓磨擦造成設備損傷,減少停機時間

3. 輕雜質和空氣從頂部尾漿出口迅速排出。

4。 篩選效率高。雜質在篩區停留時間短,顯著降低雜質循環的可能性

5.  所需進漿壓力低

Ⅱ Advantages

1. The fine sieve drum with 0.12mm slot width can effectively remove fine impurities in pulp and ink particles larger than 200 um after coarse sieve. Especially, the Stickies Removal Rate in pulp can reach more than 90%, which is currently the most recommended technology to replace all kinds of thermal dispersion equipment at home and abroad (the comparison of seam screening method and thermal dispersing method to solve sticky stickies are published in the third issue of "Paper and Paper Making" in 2000 by Professor Chen Jiaxiang, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology: "Seam screening replaces dispersing machine in waste paper system" .

2. Heavy impurities are discharged into the heavy impurities tank at the bottom of the screen to prevent equipment damage caused by friction with the rotor and screen drum and reduce downtime.

3. Light impurities and air exits rapidly from the top outlet of tail pulp.

4. High screening efficiency. The short residence time of impurities in the sieve area significantly reduces the possibility of impurity cycling.

5。 Low pulp pressure required。


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澳门福彩地址:山東省諸城市外貿街9號

聯系人:何經理

手機:13806496777

郵件 :zengyishebei@163.com


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