CN113480129A

CN113480129A - Sludge dewatering machine screw stacking body mechanism capable of reducing wear rate of screw shaft

Info

Publication number: CN113480129A
Application number: CN202110844545.0A
Authority: CN
Inventors: 黄美值
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of environmental protection, and discloses a screw stacking mechanism of a sludge dewatering machine for reducing the wear rate of a screw shaft. According to the invention, through the arrangement of the arc-shaped plate and the threads, when the movable plate drives the arc-shaped plate to synchronously rotate, the rotating arc-shaped plate can scrape sludge blocked between the movable plate and the fixed plate due to the movement of the movable plate, so that the sludge is prevented from blocking a filter opening and affecting the dehydration operation, then the threads guide the sludge on the scraper plate, so that the sludge enters an operation area of the screw shaft, and the secondary blockage of the sludge is avoided.

Description

Sludge dewatering machine screw stacking body mechanism capable of reducing wear rate of screw shaft

Technical Field

The invention relates to the technical field of environmental protection, in particular to a screw body stacking mechanism of a sludge dewatering machine, which reduces the wear rate of a screw shaft.

Background

The sludge dewatering machine is a sludge treatment equipment capable of dewatering sludge, and the existing sludge dewatering machines are various in types, wherein the stacked screw type sludge dewatering machine is particularly excellent.

The existing stacked screw type sludge dewatering machine is formed by mutually stacking a fixed plate and a movable plate, a filter body formed by the spiral shaft penetrating through the spiral shaft is a main structure, sludge is squeezed and dewatered by the gradual reduction of the shaft distance of the spiral shaft and the pressure provided by a back pressure plate at a sludge outlet, then the dewatered water is discharged from a filter seam formed by the relative sliding of the movable plate and the fixed plate, and a dewatered sludge cake is discharged from the sludge outlet.

Disclosure of Invention

Aiming at the defects of the existing sludge dewatering machine in the use process, which are provided by the background technology, the invention provides the sludge dewatering machine screw body stacking mechanism for reducing the wear rate of the screw shaft, which has the advantage of reducing the wear rate of the screw shaft and solves the technical problems provided by the background technology.

The invention provides the following technical scheme: the utility model provides a reduce sludge dewaterer who screw axis wear rate and fold spiral shell body mechanism, includes main part, fixed plate, fly leaf, filtration mouth and screw axis, the both sides fixed mounting of fly leaf has the arc, the spout has been seted up to one side of fixed plate, arc sliding connection is in the inside of spout, the complex body that fly leaf and arc are constituteed can rotate with the fixed plate relatively.

Preferably, the arc-shaped plates are distributed on two sides of the movable plate at equal intervals.

Preferably, the inner side surfaces of the movable plate and the arc-shaped plate are provided with threads, the rotating direction of the threads is the same as that of the spiral shaft, and the depth of the threads on the arc-shaped plate is set from shallow to deep according to the rotating direction of the arc-shaped plate.

Preferably, balls are movably mounted on two sides of the sliding groove in the fixing plate.

The invention has the following beneficial effects:

1. according to the invention, through the arrangement of the movable plate and the sliding groove, the movable plate can not only move axially along the screw shaft, but also rotate circumferentially with the screw shaft as a center, so that sludge contacts and drives the movable plate and the screw shaft to rotate synchronously in the process of conveying and extruding sludge by the screw shaft, and sliding friction is hardly generated between the blades of the screw shaft and the movable plate, thereby reducing the wear rate of the screw shaft.

2. According to the invention, the movable plate can drive the arc-shaped plate to synchronously rotate in the rotating process through the arrangement of the arc-shaped plate and the threads, the rotating arc-shaped plate can scrape sludge blocked between the movable plate and the fixed plate due to the movement of the movable plate, so that the sludge is prevented from blocking a filter opening and affecting the dewatering operation, then the sludge on the scraper plate is guided through the threads on the arc-shaped plate and the movable plate, so that the sludge enters an operation area of the screw shaft and is continuously dewatered, the secondary blockage of the sludge is avoided, meanwhile, the contact area of the sludge driven by the screw shaft and the movable plate is increased due to the arrangement of the threads, the viscous force of the sludge and the movable plate is increased, the screw shaft drives the movable plate to synchronously rotate through the viscous force, and the relative movement of the screw shaft and the movable plate is further avoided, the abrasion is generated, and the dewatering operation is affected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram illustrating a movable plate moving to the right according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure shown at B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a movable plate of the present invention;

FIG. 6 is a schematic view of a structural thread of the present invention;

fig. 7 is a schematic view of an arc plate of the present invention.

In the figure: 1. a main body; 2. a fixing plate; 3. a movable plate; 4. an arc-shaped plate; 5. a thread; 6. a chute; 7. a ball bearing; 8. a filter opening; 9. a screw shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a sludge dewatering machine screw stacking mechanism for reducing wear rate of a screw shaft, a main body 1, a fixed plate 2 fixedly installed inside the main body 1, a movable plate 3 movably installed on one side of the fixed plate 2, arc plates 4 fixedly installed on both sides of the movable plate 3, threads 5 formed on inner side surfaces of the movable plate 3 and the arc plates 4, a chute 6 formed on the fixed plate 2, the arc plates 4 slidably connected with the chute 6, balls 7 movably installed on both sides of the chute 6 inside the fixed plate 2, a filter opening 8 formed below the main body 1, the filter opening 8 disposed between the two fixed plates 2, the aperture of the filter opening 8 smaller than the plate width of the movable plate 3, a screw shaft 9 movably installed inside the main body 1, the screw shaft 9 located at the center of the fixed plate 2 and the movable plate 3, the rotation direction of the screw shaft 9 identical to the rotation direction of the threads 5, in the process of conveying and extruding sludge by the screw shaft 9, the screw shaft 9 drives the sludge to rotate and move forwards, the sludge contacts the movable plate 3, the movable plate 3 moves axially along the screw shaft 9 and is attached to the fixed plate 2 on one side, a distance is left between the movable plate 3 and the fixed plate 2 on the other side, the filter opening 8 is exposed, extruded water of the sludge is discharged from the filter opening 8, meanwhile, the sludge drives the movable plate 3 to rotate in the chute 6, the screw shaft 9 and the movable plate 3 rotate synchronously, the movable plate 3 and the movable plate are contacted but almost do not generate sliding friction, the wear rate of the screw shaft 9 is reduced, when the sludge is extruded, a part of sludge enters the empty space between the fixed plate 2 and the movable plate 3 to block the filter opening 8, the dewatering operation is influenced, at the moment, the movable plate 3 drives the arc-shaped plate 4 to rotate synchronously, and the rotating arc-shaped plate 4 can scrape the blocked sludge in the space, avoid mud to block up filter orifice 8, influence the dehydration operation, then lead to these mud through screw thread 5 on arc 4 and the fly leaf 3, make these mud get into the operation region of screw axis 9, continue to dewater, avoid these mud secondary to block up, simultaneously because the setting of screw thread 5, make the area of contact of the mud that the screw axis 9 drove and fly leaf 3 increase, make the viscous force of mud and fly leaf 3 increase, make the screw axis 9 drive fly leaf 3 synchronous rotation through this viscous force, and then avoid screw axis 9 and fly leaf 3 relative motion, produce wearing and tearing, influence the dehydration operation.

Wherein, the blades of the screw shaft 9 are in contact with the inner side surface of the movable plate 3.

The use method (working principle) of the invention is as follows:

when the sludge dewatering device works, firstly, the motor drives the screw shaft 9 to rotate, then, sludge is fed into the main body 1 from the feeding hole, the sludge entering the main body 1 is pushed forwards by the screw shaft 9, the sludge is extruded and dewatered in the moving process due to the gradual reduction of the screw pitch of the screw shaft 9, the sludge contacts the movable plate 3 in the process, and then viscous force is generated, so that the movable plate 3 is pushed by the sludge and is attached to the fixed plate 2 at one side, a distance is reserved between the movable plate 3 and the fixed plate 2 at the other side, the filter opening 8 is exposed, extruded water is discharged from the filter opening 8, meanwhile, the movable plate 3 can be driven by the screw shaft 9 through the viscous force of the sludge to synchronously rotate, and further relative sliding friction between the movable plate and the movable plate is avoided, and when the sludge is extruded, a part of the sludge can enter a reserved space between the fixed plate 2 and the movable plate 3, and then block up the filtration mouth 8, at this moment, drive the synchronous revolution of arc 4 through the fly leaf 3, the mud that blocks up in the above-mentioned space can be struck off to the rotatory arc 4, avoid mud to block up filtration mouth 8, then lead to these mud through screw thread 5 on arc 4 and the fly leaf 3, make these mud get into the operation region of screw axis 9, continue to dewater, simultaneously because the setting of screw thread 5, make the contact area of mud and fly leaf 3 that the screw axis 9 drove increase, make the viscous force of mud and fly leaf 3 increase, make the screw axis 9 drive fly leaf 3 synchronous revolution through this viscous force, and then avoid screw axis 9 and fly leaf 3 relative motion, produce wearing and tearing, finally, the mud that passes through the dehydration is discharged from the mud outlet, this is a duty cycle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reduce sludge dewaterer who screw axis wear rate and fold spiral shell body mechanism, includes main part (1), fixed plate (2), fly leaf (3), filtration mouth (8) and screw axis (9), its characterized in that: arc-shaped plates (4) are fixedly mounted on two sides of the movable plate (3), a sliding groove (6) is formed in one side of the fixed plate (2), the arc-shaped plates (4) are connected to the inside of the sliding groove (6) in a sliding mode, and a combined body formed by the movable plate (3) and the arc-shaped plates (4) can rotate relative to the fixed plate (2).

2. The screw stacking mechanism for the sludge dewatering machine for reducing the wear rate of the screw shaft as claimed in claim 1, wherein: the arc plates (4) are distributed on two sides of the movable plate (3) at equal intervals.

3. The screw stacking mechanism for the sludge dewatering machine for reducing the wear rate of the screw shaft as claimed in claim 2, wherein: the inner side surfaces of the movable plate (3) and the arc-shaped plate (4) are provided with threads (5), the rotating direction of the threads (5) is the same as that of the spiral shaft (9), and the depth of the threads (5) on the arc-shaped plate (4) is set from shallow to deep according to the rotating direction of the arc-shaped plate (4).

4. The screw stacking mechanism for the sludge dewatering machine for reducing the wear rate of the screw shaft as claimed in claim 1, wherein: balls (7) are movably mounted on two sides of the sliding groove (6) in the fixing plate (2).