CN101067283B

CN101067283B - Wooden pulp crusher

Info

Publication number: CN101067283B
Application number: CN2007101094472A
Authority: CN
Inventors: 吴小元; 王建国; 张道雄; 范凌
Original assignee: 梁亮胜
Current assignee: Hubei Sibao Nursing Supplies Co ltd
Priority date: 2007-06-21
Filing date: 2007-06-21
Publication date: 2010-08-25
Anticipated expiration: 2027-06-21
Also published as: CN101067283A

Abstract

The present invention discloses one kind of wood pulp crushing machine, which includes a casing, a toothed roller and a combined fixed cutting block comprising a lower grating with two stages of discharging grooves communicated with the crushing cavity in the wood pulp crushing machine. During crushing the wood pulp sheet, the two stages of discharging grooves can lead out the crushed matter residual in the crushing cavity to reduce the detention of crushed matter in the crushing cavity and the agglomerating possibility. In the same time, the two stages of discharging grooves can also lead out eddy airflow or separating airflow to change the airflow state inside the crushing cavity so as to reduce the airflow resistance on the toothed roller and decrease power consumption of the wood pulp crushing machine.

Description

A kind of Wood pulp crushing machine

Technical field

The present invention relates to mechanical field, particularly a kind of Wood pulp crushing machine.

Background technology

At present, Wood pulp crushing machine is widely used in disposable absorbent amenities and hygienic material manufacturing industry, and it is various in style, and is different, but its pulverization principle is basic identical.The Wood pulp crushing machine side sectional view as shown in Figure 1, some circular blades are superimposed upon on the discaling roll rotating shaft along discaling roll rotating shaft axis direction in its center of circle, the two end supports of discaling roll rotating shaft is on pedestal 2.Existing Wood pulp crushing machine cross section view as shown in Figure 2, I part enlarged drawing among Fig. 2 as shown in Figure 3, by by the discaling roll 4 of electric motor driven high speed rotation along arrow direction, will between discaling roll 4 and stationary knife piece 10, shear and be separated into fibrous wool and starch by the wood-pulp board that wood-pulp board input channel 12 enters.Time of Fluff Slurry after the pulverizing is made circular motion with the tooth rod 4 of rotation at a high speed and the swirling eddy that produces thereof in the crushing chamber 8 of sealing, when arriving the elementary output magazine 3 of crushing chamber, go out crushing chamber 8 in that the effect of centrifugal force and the forming cavity negative-pressure sucking that is communicated with elementary output magazine 3 is dirty.

But, because Time of Fluff Slurry quality difference, and the influence that is subjected to swirling eddy, the Time of Fluff Slurry of removing after major part is pulverized derives through elementary output magazine 3, still has the small part Time of Fluff Slurry can remain in the crushing chamber 8 with air motion.These residual Time of Fluff Slurry are below moving to wood-pulp board input channel 12 time, because the obstruct of the wood-pulp board that swirling eddy is subjected to pulverizing, air-flow impacts towards the working face of discaling roll blade, thereby forms vortical flow or separation of flow group gas, and these residual Time of Fluff Slurry can be rotated with air-flow.Because constantly friction between Time of Fluff Slurry and the crushing chamber inwall, accumulated a large amount of static, thereby make the Time of Fluff Slurry that is trapped in the crushing chamber produce poly-group phenomenon, and these Time of Fluff Slurry are constantly collided, rubbing makes Time of Fluff Slurry group temperature raise and variable color, form " black wash group " in crushing chamber." black wash group " gathers when a certain amount of, because of the gravity reason falls to rolled-up taking away on the discaling roll, thereby has an opportunity to enter in the product." black wash group " enters product and bring very big negative effect will for the outward appearance and the water imbibition of product, and produced simultaneously vortical flow has been broken the axial symmetry of discaling roll pressure, produces pressure fluctuation in various degree, causes pulverizer strenuous vibration when work.

Summary of the invention

In view of this, the invention provides a kind of Wood pulp crushing machine, Time of Fluff Slurry residual in crushing chamber can be exported, and derive the interior vortical flow of crushing chamber.This Wood pulp crushing machine mainly comprises: housing, discaling roll, combination stationary knife piece,

Housing comprises upper encloser and bottom base, offers the elementary output magazine of Time of Fluff Slurry at upper encloser;

Discaling roll is formed by stacking along discaling roll rotating shaft axis direction in its center of circle by the circular blade of some outer rim indentations, and the discaling roll rotating shaft passes housing along the horizontal axis of cylindrical shell, its two ends respectively by bearings on the housing bottom base;

Combination stationary knife piece includes fence, following fence, regulates support and stationary knife piece, regulating support is connected with upper encloser and bottom base, upper and lower fence is fixed on to be regulated on the support, and the space between the inwall of the arc surface of upper and lower fence, the outer rim of discaling roll and described upper encloser is a crushing chamber; The interval of leaving certain distance between the upper and lower fence is as the wood-pulp board input channel; , be provided with and the wide groove of last fence along discaling roll rotating shaft axis direction towards the arc surface of discaling roll with towards the plane of wood-pulp board input channel at last fence, described stationary knife piece is by being bolted in this groove;

Described Wood pulp crushing machine offers the secondary output magazine that is communicated to crushing chamber at following fence.

Wherein, described secondary output magazine is positioned at the middle part of fence down.

Wherein, described secondary output magazine is justified tangential direction in the direction of offering of crushing chamber one side perpendicular to the following fence inwall that combines with it.

Described Wood pulp crushing machine also includes interface channel, and interface channel is communicated with the secondary output magazine with elementary output magazine.

Wherein, be provided with negative pressure air-suction device in the interface channel of secondary output magazine and elementary output magazine.

Compared with prior art, therefore Wood pulp crushing machine provided by the present invention can derive Time of Fluff Slurry residual in the crushing chamber owing to offer the secondary output magazine, reduces delay, the gathering agglomerating probability of Time of Fluff Slurry in crushing chamber; This secondary output magazine is derived the vortical flow in the crushing chamber simultaneously, can improve the stream condition in the crushing chamber, reduces the gas-flow resistance to discaling roll, thereby effectively reduces the pulverizer energy consumption, improves the efficient of pulverizer.

Description of drawings

Fig. 1 is the side sectional view of Wood pulp crushing machine;

Fig. 2 is A-A ' the line cutaway view of existing Wood pulp crushing machine along Fig. 1;

Fig. 3 is the enlarged drawing of I part among Fig. 2,4,5;

Fig. 4 is Wood pulp crushing machine that first embodiment of the invention provided A-A ' the line cutaway view along Fig. 1;

Fig. 5 is Wood pulp crushing machine that second embodiment of the invention the provided A-A along Fig. 1, line cutaway view.

The specific embodiment

In order to solve the existing in prior technology problem, the invention provides a kind of Wood pulp crushing machine, describe first embodiment of the invention in detail below in conjunction with accompanying drawing 4.

The cross section view of the Wood pulp crushing machine that the embodiment of the invention provided sees also Fig. 4, and this pulverizer comprises housing, discaling roll 4 and combination stationary knife piece.

Housing is extended by along continuous straight runs, inwall is that columnar upper encloser 1 and bottom base 2 are formed, the top that is positioned at upper encloser 1 one sides offers the elementary output magazine 3 that the Time of Fluff Slurry after pulverizing is exported, and elementary output magazine 3 links to each other with the cotton core forming cavity by the sealing transfer passage.

Discaling roll 4 is formed by stacking along discaling roll rotating shaft axis direction in its center of circle by the circular blade of some outer rim indentations.The discaling roll rotating shaft passes housing along the horizontal axis of cylindrical shell, its two ends respectively by bearings on housing bottom base 2.

Combination stationary knife piece is formed by regulating support 5, last fence 6, following fence 7 and stationary knife piece 10, see also Fig. 3, last fence 6, following fence 7 are regulated on the support 5 by being bolted to respectively, regulate support 5 and be connected, this upper and lower barrier, discaling roll 4 outer rims and the inner walls 9 common crushing chambers 8 that form with upper encloser 1 and bottom base 2; The interval of leaving certain distance between the upper and lower fence is as wood-pulp board input channel 12; , be provided with and the wide groove of last fence along discaling roll rotating shaft axis direction towards the arc surface of discaling roll 4 with towards the plane of wood-pulp board input channel 12 at last fence, stationary knife piece 10 is by being bolted in this groove.

Crushing chamber 8 just distinguishes 13 towards the zone of wood-pulp board input channel 12 for pulverizing, towards the zone of last fence arc surface is that crushed material separates sintering 14, towards the zone of following fence arc surface is that crushed material separates stagnant area 15, separates stagnant area 15 at crushed material and offers secondary output magazine 11.

Secondary output magazine 11 is offered direction and can be set to make the easier centrifugal force by himself of residual Time of Fluff Slurry, output from crushing chamber 8 perpendicular to following fence 7 inwalls that combine with it circle tangential direction crushing chamber 8 one sides.

In the present embodiment, secondary output magazine 11 can be communicated to elementary output magazine 3 by interface channel, residual Time of Fluff Slurry finally is delivered to forming cavity; But also interface channel can be set, can realize to remain in the Time of Fluff Slurry output in the crushing chamber 8 equally.

Use Wood pulp crushing machine provided by the invention, the process of pulverizing wood-pulp board is as follows: wood-pulp board to be pulverized enters from wood-pulp board input channel 12 and pulverizes district 13, cutter tooth and 10 of stationary knife pieces at the discaling roll 4 that rotates are at a high speed sheared, thereby are separated into cotton-shaped Time of Fluff Slurry.Time of Fluff Slurry after the pulverizing enters crushed material and separates sintering 14, in crushing chamber 8, make circular motion with the discaling roll 4 of rotation at a high speed and the swirling eddy that produces thereof, when arriving elementary output magazine 3, Time of Fluff Slurry self centrifugal force and with forming cavity that elementary output magazine 3 is communicated with in the effect of negative-pressure sucking is dirty goes out crushing chamber 8.Because Time of Fluff Slurry quality difference, and the influence of high speed swirling eddy, small part Time of Fluff Slurry can remain in the crushing chamber 8 and continue motion with air-flow.When the crushed material of these residual Time of Fluff Slurry below moving to wood pulp input channel 12 separates stagnant area 15,, along the direction of arrow among the figure, residual Time of Fluff Slurry is delivered to elementary output magazine 3 by interface channel along secondary output magazine 11.Simultaneously, because the air-flow that the wood-pulp board of pulverizing stops in the crushing chamber continues to move upward, cause this air-flow to be kept off back, separate stagnant area 15 at crushed material and form vortical flow, secondary output magazine 11 can be derived vortical flow, reduce the resistance of vortical flow, reduce the pulverizer energy consumption discaling roll 4.

Use the Wood pulp crushing machine that present embodiment provided, can derive the Time of Fluff Slurry that remains in the crushing chamber, avoid " black wash group " occurring, discharge the vortical flow in the crushing chamber 8 simultaneously.If but the forming cavity suction that is connected with elementary output magazine 3 is too small, then is difficult to derive residual Time of Fluff Slurry.In this case, can to the interface channel of elementary output magazine 3, negative pressure air-suction device 16 be installed, see also second embodiment of the following stated at secondary output magazine 11.

See also shown in Figure 5, only be with the described pulverizer difference of first embodiment, in the interface channel of Wood pulp crushing machine secondary output magazine 11 and elementary output magazine 3, be provided with negative pressure air-suction device 16, this getter device forms a negative-pressure air-flow that flows to elementary output magazine 3 from secondary output magazine 11 in the interface channel of pulverizer secondary output magazine 11 and elementary output magazine 3, even therefore with forming cavity that elementary output magazine 3 is connected in negative-pressure sucking diminish or when disappearing, also can be in interface channel, along the direction of arrow shown in the figure, the Time of Fluff Slurry that remain in the crushed material separation stagnant area 15 are derived.

Therefore, the Wood pulp crushing machine that uses second embodiment to provide no matter whether the forming cavity inner suction is enough, all can utilize the suction of negative pressure air-suction device 16, the Time of Fluff Slurry that will remain in the crushing chamber 8 by secondary output magazine 11 derives, and realizes technique effect of the present invention.

The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims

1. a Wood pulp crushing machine comprises housing, discaling roll (4) and combination stationary knife piece,

Described housing comprises upper encloser (1) and bottom base (2), offers the elementary output magazine of Time of Fluff Slurry (3) at upper encloser (1);

Described discaling roll (4) is formed by stacking along discaling roll rotating shaft axis direction in its center of circle by the circular blade of some outer rim indentations, the discaling roll rotating shaft passes housing along the horizontal axis of cylindrical shell, its two ends respectively by bearings on housing bottom base (2);

Described combination stationary knife piece includes fence (6), following fence (7), regulates support (5) and stationary knife piece (10), regulating support (5) is connected with upper encloser (1) and bottom base (2) respectively, upper and lower fence is fixed on to be regulated on the support (5), and the space between the outer rim of the arc surface of described upper and lower fence, discaling roll (4) and the inwall of described upper encloser (1) is crushing chamber (8); The interval of leaving certain distance between the upper and lower fence is as wood-pulp board input channel (12); , be provided with and the wide groove of last fence along discaling roll rotating shaft axis direction towards the arc surface of discaling roll (4) with towards the plane of wood-pulp board input channel (12) at last fence, described stationary knife piece (10) is by being bolted in this groove;

It is characterized in that, offer the secondary output magazine (11) that is communicated to described crushing chamber (8) at described fence (7) down.

2. Wood pulp crushing machine according to claim 1 is characterized in that, described secondary output magazine (11) is positioned at the described middle part of fence (7) down.

3. Wood pulp crushing machine according to claim 1 is characterized in that, described secondary output magazine (11) is offered direction perpendicular to following fence (7) the inwall circle tangential direction that combines with it crushing chamber (8) one sides.

4. Wood pulp crushing machine according to claim 1 is characterized in that described Wood pulp crushing machine also includes interface channel, and described interface channel is communicated with described secondary output magazine (11) with described elementary output magazine (3).

5. Wood pulp crushing machine according to claim 4 is characterized in that, is provided with negative pressure air-suction device (16) in the interface channel of described secondary output magazine (11) and described elementary output magazine (3).