9.3 锥形磨浆机在线视频

上一讲我们一起学习了有关
We have learned disk pulper

圆柱形磨浆机的知识
in our last class

这一讲我们将一起探讨
Today, we will discuss about

锥形磨浆机的有关知识
conical pulper

锥形磨浆机主要是由
The conical pulper is mainly composed of

装有刀片的圆锥形转子和圆锥形的外壳
a conical rotor with blades and a conical shell

及间隙调节器组成
and a gap adjuster

首先我们来看看纸浆在磨腔内的移动
First, let's look at the movement of the pulp in the pulping cavity

纸浆在高速旋转的转子的带动下
the pulp is driven by a high-speed rotating rotor

产生周向线速度和径向离心力
to produce a circumferential linear velocity and radial centrifugal force

这种差异导致
This difference results in

大端区的静压比小端小
the static pressure of the large end area is smaller than that of the small end

纸浆从小端进
the pulp enters from the small end

由大端排出
and is discharged from the large end

那么纸浆在磨腔内是如何受到研磨的呢
and then how does the pulp get pulped in the pulping cavity

浆料在磨腔内受
The pulp is subjected to the complex mechanical force

转子表面飞刀和固定锥形磨套内表面底刀
generated between rotary blades on the rotor surface

之间的复杂的机械作用力
and bed blades on the fixed conical grinding sleeve

产生打浆作用
resulting in a beating force

锥形磨浆机的转子和外壳间隙的调节
The gap between the rotor and the shell of the conical pulper

是通过间隙调节机构调节的
is adjusted by the gap adjustment mechanism

使转子与外壳作轴向相对运动来实现
which realized by axial relative movement between the rotor and the shell

锥形磨浆机按照锥形转子的锥度大小
According to the taper size of the conical rotor

可以分为
the conical pulper can be divided into types

小锥度磨浆机
the small conical pulper

锥度约为10°左右
with the taper about 10°

中锥度锥形磨浆机
the medium conical pulper

锥度约为20°～30°
with the taper about 20°~30°

大锥度锥形磨浆机
the large conical pulper

锥度大约为60°～70°
with the taper about 60°~70°

小锥度锥形磨浆机转子
The rotor cone angle

圆锥角约为10°左右
of the small is about 10°

转速在600转/分以下
the rotation speed is under 600 rpm/min

线速度是8～11米/秒
the line speed is 8~11 m/sec

进浆浓度低
the feed consistency is low

切断能力强
the cutting ability is strong

适用于打游离浆
suitable for the free pulp

中锥度锥形磨浆机
the rotor cone angle

转子圆锥角20～30度
of the medium is 20°~30°

转子转速600转/分以上
the rotor speed is above 600rpm

线速度11～20米/秒
the line speed is 11~20 m/sec

对纤维的帚化能力较强
it has a strong fibrillation ability for fibers

适于打中等粘状浆
and it is suitable for beating medium viscosity pulp

这是一个小锥度磨浆机的图片
This is a picture of a small conical pulper

这是一个中锥度磨浆机的照片
This is a picture of a medium conical pulper

大锥度磨浆机转子圆锥角在60～70°
Large conical pulper rotor cone angle is 60~70°

转子的线速度随其直径的增加而加大
the rotor line speed increases with the increase of its diameter

大锥度磨浆机由于锥度大
The large taper of large conical pulper

增加了转子大端的刀片数量
increases the number of blades at the large end of the rotor

转子和定子的刀片以相反角度安装
and the blades of rotor and stator are installed at the opposite angle

运转时刀口呈急剧的菱形变化
During the operation, the blade changes in sharp diamond-shape

产生剧烈的搅动
resulting in sharp mixing

使纤维得到均匀处理
so that the fiber is evenly treated

大锥度磨浆机主要用于
Large taper grinders are mainly used for

长纤维的切断并兼有离解作用
long fiber cutting and also for dissociation

可用于长纤维木浆、棉浆
It can be used for long fiber pulp, cotton pulp

废箱板纸以及半化学浆的处理
waste box paper and semi-chemical pulp processing

图中所示的是一个
This is a large conical pulper

直径800mm的大锥度磨浆机
with a diameter of 800mm

锥形磨浆机主要由
The conical pulper is mainly composed of

一个圆锥形转子
a conical rotor

也就是刀辊和圆锥形外壳组成
that is, a cutter roller and a conical shell

转子的外表面和外壳的内表面
The outer surface of the rotor and the inner surface of the shell

沿轴向安装有刀片
are axially mounted with blades

转子在壳体内转动
and the rotor rotates in the shell

通过调节锥形转子大直径端的进刀装置
By adjusting the feed device of the large diameter end of the conical rotor

可以使锥形刀辊在壳体内做前后移动
the conical cutter roller can be moved back and forth in the shell

从而改变转子刀与定子之间的距离间隙
thus changing the distance between the rotor blade

调节打浆比压
and the stator and adjusting the beating pressure

浆料从锥体小直径端上部进入
The pulp enters from the upper part of the small diameter end of the cone

通过转子上刀片和壳体上定刀的间隙
and is sheared and pulped through the gap

而受到剪切、研磨磨浆作用
between the blade on the rotor and the fixed blade on the shell

由锥体大直径端的上部或者下部排出
and is discharged from the upper part or the lower part of the large diameter end of the cone

图中所示的是一个通轴式锥形磨浆机的
The structure of a through-shaft conical pulper

结构组成图
is shown in the diagram

这是悬臂式结构的锥形磨浆机的外观图
This is the appearance of a conical pulper with a cantilever structure

图中所示的是
The structure diagram

悬臂式锥形磨浆机的结构简图
of the cantilever conical pulper is shown here

锥形磨浆机的转子
The rotor of the conical pulper

又可以称为刀辊
also known as the knife roller

采用铸造空心锥体结构
Using a cast hollow cone structure

飞刀片平行于刀辊母线
the rotary blade is parallel to the knife roller busbar

安装在刀槽中
and is installed in the knife slot

长刀片与锥面长度相同
The length of the long blade is the same as that of the cone

短刀片长度是长刀片的1/2～2/ 3
The length of the short blade is 1/2~2/3 of the long blade

短刀片只安装在锥体的大端
The short blade is only installed at the large end of the cone

使刀辊面上的刀片分布比较均匀
so that the blade distribution on the surface of the cutter roller is more uniform

飞刀片的材料一般是钢质
Rotary blade material is generally steel

和打浆机一样
same as the beater

也有采用青铜、不锈钢和合金钢的
there are also bronze, stainless steel and alloy steel

刀片的厚度为
6～10mm The thickness of the blade is 6~10 mm

精整游离状浆时
When finishing the free pulp

选用较薄的刀片
choose the thin blade

精整粘状浆时
when finishing the viscous pulp

选用较厚的刀片
choose the thicker blade

可用厚至12mm的金属刀片
metal blade can be as thick as 12mm

锥形磨浆机的外壳也是锥形的
The shell of the conical pulper is also conical

与转子圆锥面相配合
which is matched with the conical surface of the rotor

它可以是整体结构
It can be a whole structure

也可以是由上下两部分组成
or it can be made up of two parts

外壳的内表面刀纹类似于转子刀纹
The inner surface grain of the shell is similar to that of the rotor blade grain

为了避免定子与飞刀片相互咬牙
In order to avoid the stator and the rotary blade biting each other

定子刀片采用人字形排列
the stator blade is arranged by herringbone

倾斜角为3°～5°
and the inclination angle is 3°~5°

浆料的进口一般在锥体小端上部
The inlet of the pulp is generally at the top of the small end of the cone

也有轴向进料
and there is also an axial feed

使用上部排出口时
When the upper outlet is used

浆料在设备内停留的时间增加
the time of pulp stay in the equipment is increased

提高打浆度
and the beating freeness is increased

使用下部排出口时
When the lower outlet is used

可增加浆料的通过量
the throughput of the pulp can be increased

提高生产能力
and the production capacity can be improved

为处理不同的浆料
In order to treat different pulp

需要改变飞刀与定子刀的间隙
it is necessary to change the gap between the rotary knife and the stator knife

从而调节磨浆比压
so as to adjust the pulp specific pressure

可以通过轴向移动飞刀辊或定子刀座
The cutter spacing and pressure can be changed

改变刀距和压力
by moving the rotary cutter roller or the stator cutter seat axially

可以通过调节手轮
You can adjust the gap by the hand wheel

也可以电动机和减速器调节
the motor and the reducer

以及液压或气动调节间隙
hydraulic or pneumatic adjustment

这些图是一些锥形磨浆机的
These are pictures of the rotor and stator

转子和定子的照片
of a conical pulper

为了发挥锥形结构磨浆机具有
In order to make full use of the advantages of the cone structure pulper

较好的切断分丝长纤维能力
such as good long fiber cutting ability

和结构紧凑等优势
and compact structure

同时进一步提高
and at the same time to increase

其单位体积设备内
the area of effective grinding area as large as possible

尽可能大的有效磨浆区面积
in unit volume equipment

或克服其磨浆过程产生的
or to overcome the rotor axial force

转子轴向力等问题
caused by the process of pulping

近些年来国内外已经开发并应用了
the double-cavity conical pulper

双磨腔锥形磨浆机
has been developed and applied in recent years

双磨腔锥形磨浆机目前有两种形式
There are two kinds of double-cavity conical pulper at present

我们也简单介绍一下
We also introduce them briefly

这是三锥式双磨腔锥形磨浆机的局部剖面图
This is a local profile of a 3-cone double-cavity conical pulper

这是三锥式双磨腔锥形磨浆机的工作原理图
This is the working principle of the 3-cone double-cavity conical pulper

从图可以看出
It can be seen from the diagram that

三锥式双磨腔锥形磨浆机
the 3-cone double-cavity conical pulper

属于悬臂式锥形磨浆机
belongs to the cantilever conical pulper

主要结构由三个
The main structure is composed of

互相嵌套在一起的同轴空心锥体构成
three coaxial hollow cones nested with each other

其中，中间为一个双面齿纹的锥形转子
Among them, a conical rotor with double-sided tooth pattern is in the middle

外侧和内侧分别为两个锥形定子
the outer and inner sides are two conical stators respectively

外侧定子为内表面有磨齿的磨套
the outer stator is grinding sleeves with grinding teeth on the inner surface

内侧定子为外表面有磨齿的锥头
and the inner stator is a conical head with grinding teeth on the outer surface

外侧定子和内侧定子
The outer stator and the inner stator

分别固定在进浆侧端机壳和出浆侧机体上
are fixed on the shell of the inlet side and the outlet side, respectively

锥形转子固定在主轴上
The conical rotor is fixed on the main shaft

为悬臂支承
which is a cantilever support

与两个定子上的磨齿
and forms two opposite grinding surfaces

形成两个相对的磨浆面
with the grinding teeth on the two stators

也就是磨腔
namely the grinding chamber

经理论和实际生产验证
It has been proved theoretically and practically that

一台三锥式双磨腔锥形磨浆机的磨浆效果
the pulping effect of a 3-cone double-cavity conical pulper

相当于二台双盘式磨浆机的系统
is equivalent to that of two double-disc pulpers

而磨浆能耗却小得多
while the pulping energy consumption is much less

纤维的分散性更好
the fiber is more dispersible

有明显的帚化和纵向分裂
with obvious fibrillation and longitudinal splitting

纤维柔软而富有润胀
the fiber is soft and rich in swelling

切断作用减少而产生细小纤维少
and the cutting action is reduced to produce less fine fiber

完全适用于阔叶木浆、废纸浆
it is suitable for hardwood pulp, waste pulp

和非木材纤维等短纤维浆种磨浆
and non-wood fiber and other short fiber pulp

四锥式双磨腔锥形磨浆机
4-cone double-cavity conical pulper

主要是为克服锥形磨浆机转子的
is designed to overcome the defects

轴向受力的缺陷
of axial force on the rotor of conical pulper

同时提高其单位体积设备内
and to increase the area of effective pulping area

有效磨浆区面积而构思设计出来的
in unit volume equipment

其基本结构如图所示
Its basic structure is shown in the figure

磨浆过程纸浆从上部的左、右
During the pulping process

两个进浆口分别从两个圆锥形转子小端
the pulp enters the left and right conical pulping area

进入左、右两个锥形磨腔磨浆区
from the upper left and right two inlet ports respectively

纸浆离开两个磨浆区后
then merges around the large ends of the two conical rotors

在两个圆锥形转子大端周边汇合
after leaving the two pulping areas

最后通过上部与圆环区
and finally the pulp is discharged

相连接的出浆口出浆
through the outlet which connects the upper and the ring area

四锥式双磨腔锥形磨浆机
4 cone double cavity conical pulper

其一方面
on the one hand

克服了锥形磨浆机转子的轴向力缺陷
it overcomes the axial force defect of the rotor of conical pulper

这不仅减少了对轴承等机械零件的要求
which not only reduces the requirement of the bearing and other mechanical parts

同时可减少因克服轴向反力
but also reduces the energy loss

而产生的能源流失
caused by overcoming the axial reaction force

从而节约了能耗
thus saving the energy

另一方面
on the other hand

提高其单位体积内设备有效的磨浆面积
it improves the effective pulping area of the equipment in the unit volume

再则，操作、调节容易
What’s more, it is easy to operate and adjust

这种锥形磨浆机属于悬臂式设计
This conical pulper belongs to cantilever design

更换转子、定子和维修简单
which is easy to replace rotor, stator and maintenance

关于锥形磨浆机的相关知识
That's all for

我们就先学习到这里the conical pulper today

下一节我们将学习
and in the next section

有关盘磨机的相关知识
we'll learn the disc pulper