CN215841779U

CN215841779U - A nonmetal chain formula mud scraping device for sewage treatment

Info

Publication number: CN215841779U
Application number: CN202120891219.0U
Authority: CN
Inventors: 郑福生
Original assignee: Beijing Kelin Zhixing Environmental Technology Co ltd
Current assignee: Beijing Kelin Zhixing Environmental Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-02-18
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to a non-metal chain type mud scraping device for sewage treatment, which comprises two pairs of rotating shafts, wherein two ends of each rotating shaft are rotatably connected to the front inner wall and the rear inner wall of a sedimentation tank, one pair of rotating shafts are positioned at the left end of the sedimentation tank, the other pair of rotating shafts are positioned at the right end of the sedimentation tank, the non-metal chain type mud scraping device also comprises chain wheels fixedly connected to the front end and the rear end of each rotating shaft, two chains, a chain meshing is on the sprocket on the inner wall of sedimentation tank front side, another chain meshing is on the sprocket on the inner wall of sedimentation tank rear side, sedimentation tank one side is equipped with drive pivot pivoted gear motor, be equipped with the guide rail that holds the chain upper strata around the sedimentation tank on the inside wall, be equipped with a plurality of scraper blades between two chain lower floors, the scraper blade bottom be equipped with the sedimentation tank in the bottom contact scrape the head, the scraper blade slides and locates around the sedimentation tank on the inside wall, proximity switch who corresponds with both ends scraper blade is installed at both ends about the inner wall of sedimentation tank rear side, and proximity switch and gear motor electric connection. The utility model has convenient use and good mud scraping effect.

Description

A nonmetal chain formula mud scraping device for sewage treatment

Technical Field

The utility model relates to the field of sewage treatment, in particular to a non-metal chain type mud scraping device for sewage treatment.

Background

With the development of society, industrial wastewater and domestic wastewater are more and more, and in order to avoid water resource waste and environmental pollution, the wastewater needs to be treated and then discharged. Various sewage treatment devices are arranged in sewage treatment plants, wherein a sedimentation tank is the most common, and sludge settled at the bottom of the sedimentation tank needs to be treated after the sedimentation tank is used for a period of time, and is generally finished by adopting a chain type mud scraper. But current chain formula mud scraper, the scraper blade quantity of installation on the chain is more, and the cost is higher relatively, and install when scraper blade on the chain scrapes mud unstable, the mud condition of jumping appears easily, scrapes mud effect general, influences the use.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a non-metal chain type mud scraping device for sewage treatment.

In order to achieve the purpose, the utility model adopts the following technical scheme: a nonmetal chain type mud scraping device for sewage treatment comprises two pairs of rotating shafts, wherein two ends of each rotating shaft are rotatably connected to the front inner wall and the rear inner wall of a sedimentation tank, one pair of rotating shafts are positioned at the left end of the sedimentation tank, the other pair of rotating shafts are positioned at the right end of the sedimentation tank, the nonmetal chain type mud scraping device also comprises chain wheels and two chains, the chain wheels are fixedly connected to the front end and the rear end of each rotating shaft, the chains are nonmetal chains, one chain is meshed with a chain wheel on the inner wall of the front side of the sedimentation tank, the other chain is meshed with a chain wheel on the inner wall of the rear side of the sedimentation tank, the chain wheels are positioned above dirt collecting grooves on two sides of the bottom of the sedimentation tank, one side of the sedimentation tank is provided with a speed reducing motor for driving the rotating shafts to rotate, the speed reducing motor is a positive and negative rotating motor, guide rails for supporting the upper layers of the chains are arranged on the front inner wall and the rear wall of the sedimentation tank, a plurality of scraping plates are arranged on one side of the lower layers of the chains, the bottom of the chains are arranged on the front inner wall and the rear side of the sedimentation tank in a sliding manner, proximity switches corresponding to the scrapers at the two ends are installed at the left end and the right end of the inner wall of the rear side of the sedimentation tank, and the proximity switches are electrically connected with the speed reducing motor.

Particularly, the guide rail is a U-shaped groove, and the upper layer of the chain is arranged in the U-shaped groove in a sliding mode.

Particularly, a plurality of pairs of mounting plates are fixedly arranged on the chain plate on the lower layer of the chain, the scraping plate is positioned between each pair of mounting plates, and the scraping plate and the mounting plates are fixed through bolts and nuts.

Particularly, the scraping head comprises a triangular prism-shaped scraping strip I and a sawtooth-shaped scraping strip II which are fixedly connected to the bottom of the scraping plate at intervals.

Particularly, a pair of sliding rods is correspondingly arranged on the front side and the rear side of the scraper, mounting blocks corresponding to the sliding rods are fixedly arranged on the inner walls of the front side and the rear side of the sedimentation tank, and the sliding rods are slidably arranged on the mounting blocks.

Particularly, the end part of the sliding rod is fixedly provided with a T-shaped sliding block, the mounting block is provided with a sliding groove corresponding to the sliding block, and the sliding block is arranged in the sliding groove in a sliding manner.

The utility model has the beneficial effects that: according to the utility model, the plurality of scraping plates, the first scraping strip, the second scraping strip, the mounting block, the sliding rod, the guide rail, the proximity switch and the speed reducing motor are arranged on one side of the lower layer of the chain, so that the scraping plates only need to reciprocate left and right at the bottom in the sedimentation tank, the scraping plates slide on the front inner side wall and the rear inner side wall of the sedimentation tank, the upper layer of the chain slides in the guide rail, the chain is stable in movement, the scraping plates scrape mud stably, mud jumping of the chain is avoided, the mud scraping effect is good, the number of the scraping plates can be effectively reduced, and the cost is reduced.

Drawings

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

FIG. 2 is a schematic view of the structure of the wiper strip of the present invention;

FIG. 3 is a schematic structural view of a second wiper strip of the present invention;

in the figure: 1-a sewage collecting tank; 2-a sprocket; 3, a chain; 4-mounting the block; 5-a chute; 6-a scraper; 7-mounting a plate; 8, scraping the first strip; 9-scraping strip II; 10-a sedimentation tank; 11-a guide rail; 12-a rotating shaft; 13-a slide bar; 14-a proximity switch;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

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

as shown in fig. 1-3, a non-metal chain type mud scraper for sewage treatment comprises two pairs of rotating shafts 12, two ends of each rotating shaft 12 are rotatably connected to the front and rear inner side walls of a sedimentation tank 10, one pair of rotating shafts 12 is positioned at the left end of the sedimentation tank 10, the other pair of rotating shafts 12 is positioned at the right end of the sedimentation tank 10, the non-metal chain type mud scraper further comprises a chain wheel 2 and two chains 3 which are fixedly connected to the front and rear ends of the rotating shaft 12, one chain 3 is meshed with the chain wheel 2 on the front inner wall of the sedimentation tank 10, the other chain 3 is meshed with the chain wheel 2 on the rear inner wall of the sedimentation tank 10, the chain wheel 2 is positioned above the two side dirt collecting grooves 1 at the bottom of the sedimentation tank 10, one side of the sedimentation tank 10 is provided with a speed reducing motor which drives the rotating shaft 12 to rotate, the front and rear inner side walls of the sedimentation tank 10 are provided with guide rails 11 which support the upper layers of the chains 3, the guide rails 11 are U-shaped grooves, the upper layers of the chains 3 are slidably arranged in the U-shaped grooves,

a plurality of scraping plates 6 are arranged between the lower layers of the two chains 3, the scraping plates 6 are positioned on one side of the lower layers of the chains 3, a plurality of pairs of mounting plates 7 are fixedly arranged on chain plates on the lower layers of the chains 3, the scraping plates 6 are positioned between each pair of mounting plates 7, the scraping plates 6 and the mounting plates 7 are fixed through bolts and nuts, the lower layers of the chains 3 reciprocate left and right, the scraping plates 6 reciprocate left and right to scrape sludge in the sedimentation tank 10 into the sludge collection grooves 1 on two sides, scraping heads which are contacted with the bottom in the sedimentation tank 10 are arranged at the bottoms of the scraping plates 6, the scraping heads comprise a triangular prism-shaped scraping strip I8 and a sawtooth-shaped scraping strip II 9 which are fixedly connected at the bottom of the scraping plates 6 at intervals, the scraping plates 6 are slidably arranged on the front inner side wall and the rear inner side wall of the sedimentation tank 10, a pair of slide bars 13 are correspondingly arranged on the front side and the rear side of the scraping plates 6, mounting blocks 4 corresponding to the slide bars 13 are slidably arranged on the mounting blocks 4, and T-shaped slide blocks are fixedly arranged at the end parts of the slide bars 13, the installation block 4 is provided with a sliding groove 5 corresponding to the sliding block, the sliding block is arranged in the sliding groove 5 in a sliding manner, the left end and the right end of the inner wall of the rear side of the sedimentation tank 10 are provided with a proximity switch 14 corresponding to the scraping plates 6 at the two ends, the proximity switch 14 is electrically connected with the speed reducing motor, one side of the sedimentation tank 10 is provided with a PLC (programmable logic controller) connected with the proximity switch 14, the PLC is connected with the speed reducing motor, and the PLC can be Siemens S7-200 in the model.

When the sludge scraping machine works, the chain 3 rotates under the action of the speed reducing motor, the scraping plate 6 moves rightwards to start to scrape sludge, the sliding rod 13 slides in the sliding groove 5, so that the scraping plate 6 moves stably and can effectively scrape sludge, the sludge jumping situation is avoided, when the right end scraping plate 6 moves to the right sludge collecting groove 1, the proximity switch 14 detects a signal and transmits the signal to the speed reducing motor, the speed reducing motor starts to rotate reversely, then the scraping plate 6 moves leftwards to start to scrape sludge, when the left end scraping plate 6 moves to the left sludge collecting groove 1, the proximity switch 14 detects a signal and transmits the signal to the speed reducing motor, the speed reducing motor starts to rotate reversely, the steps are repeated, and the scraping plate 6 reciprocates leftwards and rightwards until all sludge is scraped into the sludge collecting grooves 1 on the two sides. The chain scraper ensures that the chain 3 moves stably, the scraper 6 scrapes mud stably, mud jumping is avoided, the mud scraping effect is good, the number of the scraper 6 can be effectively reduced, and the cost is reduced.

The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims

1. The utility model provides a mud device is scraped to nonmetal chain formula for sewage treatment, a serial communication port, including two pairs of pivot (12), pivot (12) both ends are rotated and are connected on the inside wall of sedimentation tank (10) front and back, a pair of pivot (12) are located sedimentation tank (10) left end, another counter pivot (12) are located sedimentation tank (10) right-hand member, still include sprocket (2) of rigid coupling both ends around pivot (12), two chains (3), and chain (3) are nonmetal chain, a chain (3) meshing is on sprocket (2) on sedimentation tank (10) front side inner wall, another chain (3) meshing is on sprocket (2) on sedimentation tank (10) rear side inner wall, sprocket (2) are located sedimentation tank (10) bottom both sides dirt collecting tank (1) top, sedimentation tank (10) one side is equipped with drive pivot (12) pivoted gear motor, gear motor is the motor just reversing, be equipped with guide rail (11) that hold chain (3) upper strata around sedimentation tank (10), be equipped with a plurality of scraper blades (6) between two chain (3) lower floors, scraper blade (6) are located chain (3) lower floor one side, scraper blade (6) bottom be equipped with sedimentation tank (10) in the bottom contact scrape the head, scraper blade (6) slide locate sedimentation tank (10) around on the inside wall, proximity switch (14) that correspond with both ends scraper blade (6) are installed to both ends about sedimentation tank (10) rear side inner wall, and proximity switch (14) and gear motor electric connection.

2. A non-metallic chain scraper for wastewater treatment according to claim 1, characterized in that the guide rail (11) is a U-shaped groove, and the upper layer of the chain (3) is slidably arranged in the U-shaped groove.

3. The non-metal chain type sludge scraping device for sewage treatment of claim 2, wherein a plurality of pairs of mounting plates (7) are fixedly arranged on the chain plate on the lower layer of the chain (3), the scraping plate (6) is positioned between each pair of mounting plates (7), and the scraping plate (6) and the mounting plates (7) are fixed through bolts and nuts.

4. A non-metal chain type sludge scraping device for sewage treatment according to claim 3, wherein the scraping head comprises a triangular prism-shaped scraping bar I (8) and a sawtooth-shaped scraping bar II (9) which are fixedly connected at the bottom of the scraping plate (6) at intervals.

5. The non-metal chain type sludge scraping device for sewage treatment as claimed in claim 4, wherein a pair of slide bars (13) are correspondingly arranged at the front and rear sides of the scraping plate (6), mounting blocks (4) corresponding to the slide bars (13) are fixedly arranged on the inner walls at the front and rear sides of the sedimentation tank (10), and the slide bars (13) are slidably arranged on the mounting blocks (4).

6. The non-metal chain type mud scraper for sewage treatment according to claim 5, wherein the end of the sliding rod (13) is fixedly provided with a T-shaped sliding block, the mounting block (4) is provided with a sliding groove (5) corresponding to the sliding block, and the sliding block is slidably arranged in the sliding groove (5).