CN110304672B

CN110304672B - Automatic deslagging device

Info

Publication number: CN110304672B
Application number: CN201910683850.9A
Authority: CN
Inventors: 曹灿辉; 侯科源; 贺亚玲; 李海瑞; 涂家辉; 谢朝丽
Original assignee: Chongqing Shangzeyuan Environmental Protection Technology Co ltd
Current assignee: Chongqing Shangzeyuan Environmental Protection Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2024-03-15
Anticipated expiration: 2039-07-26
Also published as: CN110304672A

Abstract

The invention discloses an automatic slag removing device, which comprises a shell with a circular arc-shaped bin bottom, wherein the outlet end of the shell is connected with a detachable slag collecting net frame, an impeller assembly is arranged in the shell, and the circle center of the impeller assembly is consistent with the circle center of the bin bottom of the shell, so that when the impeller assembly rotates, an impeller of the impeller assembly can scrape garbage at the bin bottom; a plurality of notches for inserting one side of the strip-shaped plate of the impeller are formed in the outer wall of the wheel shaft along the length direction of the wheel shaft, all notches are in a circular array with the center of the wheel shaft as the center, and one side of the strip-shaped plate of the impeller is slidably positioned in the notches; the sliding blocks are correspondingly arranged in the sliding grooves respectively, so that all the sliding blocks synchronously radially draw close to/far away from the circle center of the conical gear when the conical gear rotates; the sliding block is fixedly connected with the strip-shaped plate to adjust all the impellers to slide out of or slide into the notch of the wheel shaft. The invention has high cleaning efficiency, low maintenance cost and flexible operation.

Description

Automatic deslagging device

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to an automatic deslagging device.

Background

In the integrated sewage treatment equipment, the water inlet slag removal is always ignored, so that the phenomenon of blockage in a subsequent treatment unit is caused, the personnel repairing burden is increased, and the treatment effect and the service life of the integrated sewage treatment equipment are seriously influenced. The existing deslagging equipment is mainly provided with a box body with a filter plate, after the equipment is used for a period of time, a large amount of garbage can be accumulated at the bottom of a shell of a transmission section between the box body and a water inlet end, so that deslagging efficiency is low, even fouling occurs, maintenance cost is increased, service life of the equipment is prolonged correspondingly, and the whole sewage treatment effect is poor.

Disclosure of Invention

The invention aims to solve the technical problems and provide the automatic deslagging device which can effectively remove various garbage brought by the front end of water inlet, reduce the possibility of blocking of a post-treatment unit, lighten the repairing burden of personnel, reduce the maintenance cost, prolong the service life of equipment and ensure the integral treatment effect of integrated equipment.

The technical scheme of the invention is as follows: the automatic slag removing device comprises a shell with a circular arc-shaped bin bottom, wherein filtering holes are fully distributed on the bin bottom, a detachable slag collecting net frame is connected to the outlet end of the shell, an impeller assembly is arranged in the shell, and the circle center of the impeller assembly is consistent with the circle center of the bin bottom of the shell, so that when the impeller assembly rotates, the impeller can scrape garbage at the bin bottom;

the impeller assembly comprises the impeller and a wheel shaft, wherein the impeller comprises a rectangular plate and a strip-shaped plate which are integrally formed, the rectangular plate is used for scraping garbage at the bottom of the bin, and the strip-shaped plate is connected to one end of the rectangular plate close to the side edge of the rectangular plate to form a kitchen knife-shaped plate body structure; a plurality of notches for inserting one side of the strip-shaped plate of the impeller are formed in the outer wall of the wheel shaft along the length direction of the wheel shaft, all notches are in a circular array with the center of the wheel shaft as the center, and one side of the strip-shaped plate of the impeller is slidably positioned in the notches;

the adjusting mechanism comprises a cylindrical hollow body, one end of the body, facing the impeller, is provided with a table column, the table column is positioned in the center of a cavity of the body and forms a plurality of sliding grooves with the cavity, the body is coaxially and fixedly connected to the end part of the wheel shaft through the table column, and the sliding grooves are in one-to-one correspondence with notches on the wheel shaft; a conical gear is also arranged in the body, the conical tooth end of the conical gear is meshed with a driving gear extending into the body, and a gear shaft of the driving gear is arranged in the side wall of the body and can rotate in the side wall without axial movement so as to drive the conical gear to rotate; the end face of one end of the conical gear, which is far away from the conical teeth, is provided with a plane thread, the plane thread is matched with a sliding block, the sliding block is provided with a thread matched with the plane thread, and the sliding blocks are respectively and correspondingly arranged in the sliding grooves, so that all the sliding blocks synchronously radially draw close to/are far away from the circle center of the conical gear when the conical gear rotates; the sliding block is fixedly connected with the strip-shaped plate to adjust all the impellers to slide out of or slide into the notch of the wheel shaft.

The invention has the beneficial effects that: the invention comprises a water inlet shell and a slag collecting net frame, wherein an impeller assembly is arranged in the shell, the impeller assembly rotates through hydraulic impact, when the impeller assembly rotates to the arc-shaped bin bottom of the shell, the garbage at the bin bottom is thrown into the slag collecting net frame by the kinetic energy brought by rotation, and the slag collecting net frame can be lifted manually to clean the garbage, so that the operation is simple and easy. Particularly, the impeller assembly fully considers the problem of accumulation of garbage at the bottom of a bin in actual use, all blades can be synchronously stretched (a notch extending out of a wheel shaft) under the action of the adjusting mechanism, so that the gap between the impeller and the bottom of the bin is changed, the gap amount of the impeller can be changed according to different sewage treatment requirements, garbage at the bottom of the bin is better scraped, the stretching amount of the impeller can be adjusted when the edges of the blades are worn, the gap between the impeller and the bottom of the bin is ensured to be consistent, the impact amount of sewage can be better adapted, the stretching amount of the blades is adjusted according to the kinetic energy obtained by the impeller assembly when the sewage flow is different, the arm length of torque is changed, the stable rotation of the impeller is realized to the greatest extent, the effect is quite outstanding, the functions are flexible and various, and the sewage garbage treatment effect at the water inlet end is effectively ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an axial cross-sectional view of the impeller assembly.

Fig. 4 is an end view schematic of an impeller assembly.

Fig. 5 is an end view schematic of the axle.

Fig. 6 is a cross-sectional view of the adjustment mechanism.

Fig. 7 is an enlarged view of the screw plug of fig. 6.

Fig. 8 is a cross-sectional view of a screw plug directly locking the drive gear.

Description of element numbers: the slag collecting net frame comprises a shell 1, a slag collecting net frame 2, an impeller 3, a wheel shaft 4, a body 5, a sliding block 6, a bevel gear 7, a driving gear 8, a gear shaft 9, a screw plug 10, a push rod 11, a guide rod 12, a guide strip 13, a strip-shaped plate 301, a notch 401 and a table column 501.

Detailed Description

Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1-2, an automatic slag removing device comprises a shell 1 with a circular arc-shaped bin bottom, wherein filtering holes (not shown in the figure) are fully distributed on the bin bottom, the outlet end of the shell 1 is connected with a detachable slag collecting net frame 2, an impeller assembly is arranged in the shell 1, and the circle center of the impeller assembly is consistent with the circle center of the bin bottom of the shell 1, so that when the impeller assembly rotates, an impeller 3 of the impeller assembly can scrape garbage at the bin bottom.

As shown in fig. 3-5, the impeller assembly comprises the impeller 3 and a wheel shaft 4, the impeller 3 comprises a rectangular plate and a strip-shaped plate 301 which are integrally formed, the rectangular plate is used for scraping garbage at the bottom of the bin, and the strip-shaped plate 301 is connected at one end of the rectangular plate near the side edge of the rectangular plate to form a kitchen knife-shaped plate body structure; a plurality of notches 401 for inserting one side of the strip-shaped plate 301 of the impeller 3 are formed in the outer wall of the wheel shaft 4 along the length direction of the wheel shaft, all the notches 401 are in a circular array with the center of the wheel shaft 4 as the center, and one side of the strip-shaped plate 301 of the impeller 3 is slidably located in the notch 401.

As shown in fig. 6, the device further comprises an adjusting mechanism, which comprises a cylindrical hollow body 5, one end of the body 5 facing the impeller 3 is provided with a column 501, the column 501 is located in the center of the cavity of the body 5 and forms a plurality of sliding grooves with the cavity, the body 5 is coaxially and fixedly connected to the end of the wheel shaft 4 through the column 501, the sliding grooves are in one-to-one correspondence with the notches 401 on the wheel shaft 4, and in the specific manufacturing process, if 4 blades are used, the column 501 is in a cross structure to form 4 sliding grooves, and the other numbers are similar. A conical gear 7 is also arranged in the body 5, the conical tooth end of the conical gear 7 is meshed with a driving gear 8 extending into the body 5, and a gear shaft 9 of the driving gear 8 is arranged in the side wall of the body 5 and can rotate in the side wall without axial movement so as to drive the conical gear 7 to rotate; the end face of one end of the conical gear 7, which is far away from the conical teeth, is provided with a plane thread, the plane thread is matched with a sliding block 6, the sliding block 6 is provided with a thread matched with the plane thread, and the sliding blocks 6 are respectively and correspondingly arranged in the sliding grooves, so that all the sliding blocks 6 synchronously radially draw close to/far away from the circle center of the conical gear 7 when the conical gear 7 rotates; the slide 6 is fixedly connected with the strip-shaped plate 301 to adjust all impellers 3 to slide out of or into the notch 401 of the wheel shaft 4.

When the device is used, according to the impact kinetic energy caused by sewage flow and the size and type of garbage in sewage, the driving gear 8 is adjusted to rotate, a hexagonal wrench can be inserted into a jack on the end face of the gear shaft 9 of the driving gear 8, the driving gear 8 is rotated, all blades extend out of or retract into the notch 401 at the same time, so that the gap between the edges of the blades and the bottom of the bin reaches a reasonable value, garbage sediments can be scraped better, the rotating clamping stagnation of the impeller 3 is reduced, when the clamping stagnation of the impeller 3 is caused due to unexpected conditions, the adjusting mechanism is operated, the blades are retracted, the intractable bonded garbage at the bottom of the bin can be quickly put into use again, and the device is extremely convenient to maintain.

After a plurality of blades are adjusted in place, because a plurality of blades are simultaneously connected with the conical gear 7 in the body 5 through the sliding block 6, all the blades are not easy to shake after stopping rotating the conical gear 7, the protruding amount of the blades is stable, but in order to ensure absolute stability under high-flow and strong impact, a locking mechanism can be arranged, as shown in fig. 6-7, a screw plug 10 is also connected in a step hole where the gear shaft 9 of the driving gear 8 is positioned in a threaded manner, and the screw plug 10 can be screwed at the orifice end of the step hole; the ejector rod 11 is screwed into the screw plug 10 to be screwed with the screw plug, and the top end of the ejector rod 11One end of a guide rod 12 is connected to the top end surface of the push rod 11, and the other end of the guide rod extends into a guide groove vertically arranged on a guide strip 13 fixed on the side wall of the body 5, so that the push rod 11 moves downwards to tightly prop against the end surface of the gear shaft 9 to fix the driving gear 8 when the screw plug 10 is screwed to the bottom.

Likewise, in order to ensure the stability of the protrusion amount of each blade at a large flow rate, that is, to ensure the structural stability of the impeller assembly, the following method may be adopted: a screw plug 10 is further screwed in the stepped hole where the gear shaft 9 of the driving gear 8 is located, the screw plug 10 can be screwed at the orifice end of the stepped hole, and when the screw plug 10 is screwed to the bottom, the end face of the gear shaft 9 is propped up to be dead, so that the driving gear 8 is fixed.

In order to make the stress at the two ends of the impeller assembly as balanced as possible, the two ends of the rectangular plate are provided with strip-shaped plates 301, the adjusting mechanism is provided with a pair of two ends of the split axle 4, and the disadvantage of the method is that the two ends are in coordination for adjustment, but the blade installation is more stable and reliable.

In order to make the stress at two ends of the impeller assembly as balanced as possible, the other end of the wheel shaft 4 opposite to the adjusting mechanism is also connected with a driving motor, the total weight of the driving motor and a mounting bracket for mounting the driving motor is consistent with the weight of the adjusting mechanism, and when clamping stagnation occurs, the driving motor can be directly driven by the motor in a powerful mode, so that the impeller assembly is recovered to rotate. And in order to balance, the mounting bracket can change the weight in a way of increasing or decreasing the weight plate.

The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The automatic slag removing device is characterized by comprising a shell with an arc-shaped bin bottom, wherein filtering holes are fully distributed on the bin bottom, a detachable slag collecting net frame is connected to the outlet end of the shell, an impeller assembly is arranged in the shell, and the circle center of the impeller assembly is consistent with the circle center of the bin bottom of the shell, so that when the impeller assembly rotates, the impeller can scrape garbage at the bin bottom;

the impeller assembly comprises an impeller and an axle, wherein the impeller comprises a rectangular plate and a strip-shaped plate which are integrally formed, the rectangular plate is used for scraping garbage at the bottom of a bin, the strip-shaped plate is connected to one end of the rectangular plate close to the side edge of the rectangular plate to form a kitchen knife-shaped plate body structure, a notch which is inserted into one side where the strip-shaped plate for the impeller is located is formed in the outer wall of the axle along the length direction of the axle, all the notches are in a circular array with the center of the axle as the center, and one side where the strip-shaped plate of the impeller is located is slidably located in the notch;

the device comprises a body, a conical gear, a gear shaft, a flat thread, a sliding block and a regulating mechanism, wherein the body is hollow in the interior and comprises a cylindrical hollow body, one end of the body facing an impeller is provided with a table column, the table column is positioned in the center of a cavity of the body and forms a plurality of sliding grooves with the cavity, the body is coaxially fixedly connected to the end part of a wheel shaft through the table column, and the sliding grooves are in one-to-one correspondence with notches on the wheel shaft;

the screw plug is screwed into the screw plug to be in threaded connection with the screw plug, one end of a gamma-shaped guide rod at the top end of the ejector rod is connected to the top end surface of the ejector rod, and the other end of the gamma-shaped guide rod extends into a guide groove vertically arranged on a guide strip fixed on the side wall of the body, so that the ejector rod moves downwards to tightly prop against the end surface of the gear shaft to fix the driving gear when the screw plug is screwed to the bottom;

the rectangular plate is characterized in that strip-shaped plates are arranged at two ends of the rectangular plate, and the adjusting mechanism is provided with a pair of two ends of the split wheel shafts.