CN220245647U

CN220245647U - Scraper device of air floatation tank

Info

Publication number: CN220245647U
Application number: CN202321584563.0U
Authority: CN
Inventors: 王海峰; 李利芬
Original assignee: Hebei Guipu Environmental Protection Technology Co ltd
Current assignee: Hebei Guipu Environmental Protection Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-26
Anticipated expiration: 2033-06-20

Abstract

The utility model provides a scraper device of an air floatation tank, which comprises a plurality of scraper components for scraping suspended particles on the upper part of the air floatation tank and a power component for driving the scraper components to move, wherein the scraper components comprise a first scraper and a second scraper which is vertically arranged on one side of the first scraper in a sliding manner, the first scraper and the second scraper are connected through a connecting rod mechanism, one end, far away from the second scraper, of the connecting rod mechanism is fixedly provided with a floating ball for adjusting the sliding position of the second scraper, and the lowest end of the floating ball is higher than the lowest end of the second scraper. According to the utility model, the floating ball drives the second sliding plate to move towards the liquid level direction of the air floatation tank through the connecting rod mechanism, and as the lowest end of the floating ball is higher than the lowest end of the second scraping plate, the condition that part of the second scraping plate is inserted below the liquid level is ensured all the time, so that the scum floating on the top surface of the scum groove can be cleaned better.

Description

Scraper device of air floatation tank

Technical Field

The utility model relates to the technical field of wastewater treatment environmental protection equipment, in particular to a scraper device of an air floatation tank.

Background

The air floatation machine is water treatment equipment which is characterized in that a large number of micro bubbles are generated in water by an air dissolving system, so that air is attached to suspended matter particles in a highly dispersed micro bubble mode, the density is lower than that of the water, the suspended matter particles float on the water surface by utilizing the buoyancy principle, and the suspended matter particles are scraped by a scraper device, so that solid-liquid separation is realized.

The conventional scraper device generally comprises a scraper and a power assembly for driving the scraper to move, wherein the power assembly comprises a chain, a driving shaft, a driven shaft and a driving motor. The driving shaft and the driven shaft are respectively and rotatably connected to two opposite ends of the upper part of the air floatation tank; two ends of the driving shaft and the driven shaft are respectively provided with a chain wheel, and two closed loop chains are respectively matched with two pairs of chain wheels; the scraping plates are perpendicular to the direction of the chain and are uniformly distributed on a closed ring formed by the whole chain; the driving motor drives the driving shaft and the chain wheel, so that the two chain bars are driven to synchronously move, the scraping plate moves along with the chain, moves from one end to the other end at the bottom of the chain ring, then bypasses the opposite end chain wheel, returns to the starting end from the upper part, and sequentially reciprocates; the scraper blade is located below the liquid level on the travel of the chain ring from one end to the other end, and one part of the scraper blade is used for scraping scum on the liquid level of the air floatation tank.

However, the height of the scraper cannot be adjusted when the existing scraper device scrapes suspended particles, and as the liquid level of a slag groove in the air floatation tank is influenced by the flow speed of water flow, the phenomenon that a large amount of liquid is scraped out when the liquid level is too high and a slag baffle performs a slag scraping action exists; when the liquid level is low, the scum scraped at a single time is less, suspended matter particles accumulate and deposit, the scraping efficiency is low, and the wastewater treatment speed is influenced.

Disclosure of Invention

The utility model mainly aims at providing an air floatation tank scraping plate device; the scraper device solves the problems that in the prior art, the scraper device cannot adjust the height according to the liquid level, so that the efficiency is low, and the wastewater treatment speed of the air flotation machine is affected.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides an air supporting pond scraper means, is including being used for striking off a plurality of scraper assemblies of suspended solid granule upper portion of air supporting pond and the power pack who drives the scraper assembly and remove, the scraper assembly includes first scraper blade and vertical slip setting are in the second scraper blade of first scraper blade one side, first scraper blade and second scraper blade are connected through link mechanism, link mechanism keeps away from the fixed floater that is used for adjusting second scraper blade sliding position that is provided with of one end of second scraper blade, the extreme lower most of floater is higher than the extreme lower most of second scraper blade.

Further, the link mechanism comprises a first link and a second link, one end of the first link is rotationally connected with the upper portion of the first scraping plate, the other end of the first link is fixedly connected with the floating ball, one end of the second link is rotationally connected with the upper portion of the second scraping plate, and the other end of the second link is rotationally connected to the first link and located between the first scraping plate and the floating ball.

Further, the floating ball is fixedly connected with the free end of the first connecting rod through a connecting column.

Further, the central axis of the connecting column is connected with the central axis of the first connecting rod to form an obtuse angle, and the direction of the inner angle of the connecting column is deviated from the second scraping plate.

Further, the plurality of link mechanisms are arranged at intervals along the length direction of the first scraping plate.

Further, the two ends of the first scraping plate in the length direction are provided with sliding grooves, and the two ends of the second scraping plate in the length direction are connected in the corresponding sliding grooves in a sliding mode.

Further, the second scraper is located at a side opposite to the moving direction of the first scraper.

Further, the lower part of the second scraping plate is made of rubber.

The beneficial effects of the utility model are as follows:

1. the floating ball drives the second sliding plate to move towards the liquid level direction of the air floatation tank through the connecting rod mechanism, and as the lowest end of the floating ball is higher than the lowest end of the second scraping plate, part of the second scraping plate is always inserted below the liquid level, so that the scum floating on the top surface of the scum groove can be better cleaned;

2. through with second scraper blade sliding connection in the opposite one side of first scraper blade removal direction, be in order to arrange sediment after and walk around the sprocket and remove to sprocket upper portion when the second scraper blade, because the reason floater drives link mechanism and rotates, make second scraper blade slide to first scraper blade top, the dross of adhesion on the second scraper blade can be scraped to the relative motion of first scraper blade and second scraper blade this moment, realized that the second scraper blade scrapes the dross on the surface of water at every turn after, first scraper blade carries out once clean effect to the second scraper blade voluntarily, avoid the dross of adhesion on the second scraper blade to drop to the clean surface of water and cause the pollution, operating efficiency has been improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of an air floatation tank squeegee assembly of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the scraper device of the floatation tank of the present utility model;

fig. 3 is an enlarged view of a portion a of fig. 2.

Description of the reference numerals

1. An air floatation tank; 11. a baffle; 12. a slag groove; 13. a slag discharge groove; 2. a squeegee assembly; 21. a first scraper; 211. a chute; 22. a second scraper; 23. a link mechanism; 231. a first link; 232. a second link; 24. a floating ball; 25. a connecting column; 3. a chain; 4. a sprocket; 5. a driving shaft; 6. a driven shaft; 7. and driving the motor.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, an air floatation tank scraper device is disposed on an upper portion of an air floatation tank 1 and is used for scraping scum on a surface of the air floatation tank 1, a baffle 11 is fixedly disposed in the air floatation tank 1 and divides the air floatation tank 1 into a scum tank 12 and a slag discharging tank 13, the air floatation tank scraper device comprises a scraper assembly 2 and a power assembly driving the scraper assembly 2 to move, the power assembly comprises a chain 3, a chain wheel 4, a driving shaft 5, a driven shaft 6 and a driving motor 7, the driving shaft 5 and the driven shaft 6 are respectively and rotatably connected to two opposite ends of the upper portion of the air floatation tank 1, namely one end of the driving shaft 5 and one end of the driven shaft are disposed above the slag discharging tank 13, the other end of the driving shaft 5 and one end of the driven shaft 6 are respectively and fixedly disposed with the chain wheels 4, two closed loop chains 3 are respectively matched with the two pairs of the chain wheels 4, opposite surfaces of the two chains 3 are inner side surfaces, two ends of the scraper assembly 2 in a length direction are respectively and fixedly disposed on the inner side surfaces of the two chains 3 and are perpendicular to the chain 3, the scraper assembly 2 forms a closed loop on the whole motor, the driving shaft 7 and the driven shaft 4 is used for driving the two chains to move around the chain 3 from the end of the chain 3 to the bottom of the air floatation tank 1 in sequence, and then the scum can move from the end of the driving shaft 4 to the other end of the driving shaft 3 to the air floatation tank 1.

The scraper assembly 2 comprises a first scraper 21 and a second scraper 22, wherein the first scraper 21 is vertically and slidably connected to one side of the first scraper 21, in this embodiment, sliding grooves 211 are formed in two ends of the first scraper 21 in the length direction, two ends of the second scraper 22 in the length direction are slidably connected in the corresponding sliding grooves 211, the first scraper 21 and the second scraper 22 are connected through a connecting rod mechanism 23, and a floating ball 24 for adjusting the sliding position of the second scraper 22 is fixedly arranged at one end, far away from the second scraper 22, of the connecting rod mechanism 23.

The link mechanism 23 includes a first link 231 and a second link 232, one end of the first link 231 is rotatably connected to the upper portion of the first scraper 21, the other end of the first link 231 is fixedly connected to the floating ball 24, one end of the second link 232 is rotatably connected to the upper portion of the second scraper 22, and the other end of the second link 232 is rotatably connected to the first link 231 and located between the first scraper 21 and the floating ball 24.

In this embodiment, the floating ball 24 is fixedly connected to the free end of the first link 231 through the connecting post 25. Preferably, the central axis of the connecting column 25 is connected with the central axis of the first connecting rod 231 to form an obtuse angle, and the obtuse angle direction of the connecting column deviates from the second scraping plate 22, so that the floating ball 24 can conveniently contact the liquid level and then drive the first connecting rod 231 and the second connecting rod 232 to rotate, and the position of the second scraping plate 22 can be quickly adjusted.

Preferably, the number of the link mechanisms 23 is plural (not shown), and the link mechanisms 23 are arranged at intervals along the length direction of the first scraper 21, so that the moving position of the second scraper 22 is more accurate, and meanwhile, the floating ball 24 is prevented from being damaged, so that a large amount of liquid is scraped out due to the lower position of the second scraper 22, and the production efficiency is affected.

Preferably, the second scraper 22 is slidably connected to the opposite side of the moving direction of the first scraper 21, that is, the second scraper 22 is slidably connected to the back side of the moving direction of the first scraper 21, in this embodiment, the second scraper 22 is made of rubber, or the lower part of the second scraper 22 is made of rubber, so that the second scraper 22 contacts the baffle 11 when approaching the baffle 11, and then the accumulated scum is intensively pushed into the slag discharging groove 13, so that the second scraper 22 is made of flexible rubber, thereby facilitating the second scraper 22 to pass through the baffle 11 and prolonging the service life of the second scraper 22.

In the implementation of the utility model, the driving motor 7 is started, the driving motor 7 drives the driving shaft 5, the driven shaft and the chain wheel 4 to rotate sequentially, and then drives the two chains 3 to synchronously move, the scraper assembly 2 moves to the other end (the slag discharging groove 13) along with the chains 3 from one end (the slag floating groove 12) at the bottom of the ring of the chains 3, when the scraper assembly 2 is positioned at the bottom of the ring of the chains 3, the floating ball 24 falls down to the liquid level according to the action of gravity, at the moment, the connecting rod mechanism 23 is driven by the floating ball 24 to rotate, so that the second scraper 22 slides downwards along the sliding groove 211 of the first scraper 21, and as the lowest end of the floating ball 24 is higher than the lowest end of the second scraper 22, the second scraper 22 is ensured to always have a part which is inserted below the liquid level, so that the better cleaning floating slag floats on the top surface of the slag discharging groove 12, the second scraper 22 is made of rubber material, and is conveniently and better discharged to the slag discharging groove 13 through the baffle 11 in the air floatation tank 1, and the second scraper 22 is connected to the side opposite to the moving direction of the first scraper 21.

The foregoing description is only of the preferred embodiments of the utility model, and it is apparent that the embodiments described are merely some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a floatation tank scraper means, includes a plurality of scraper assemblies (2) that are used for striking off suspended solid particle upper portion in floatation tank and is used for driving the power pack that scraper assembly (2) removed, characterized in that, scraper assembly (2) include first scraper blade (21) and vertical slip set up second scraper blade (22) in one side of first scraper blade (21), first scraper blade (21) and second scraper blade (22) are connected through link mechanism (23), link mechanism (23) keep away from the one end of second scraper blade (22) is fixed to be provided with be used for adjusting floater (24) of second scraper blade (22) slip position, the extreme lower extreme of floater (24) is higher than the extreme lower extreme of second scraper blade (22);

the connecting rod mechanism (23) comprises a first connecting rod (231) and a second connecting rod (232), one end of the first connecting rod (231) is rotationally connected with the upper portion of the first scraping plate (21), the other end of the first connecting rod (231) is fixedly connected with the floating ball (24), one end of the second connecting rod (232) is rotationally connected with the upper portion of the second scraping plate (22), the other end of the second connecting rod (232) is rotationally connected to the first connecting rod (231) and located between the first scraping plate (21) and the floating ball (24), and the floating ball (24) is fixedly connected with the free end of the first connecting rod (231) through a connecting column (25).

2. An air flotation tank scraping device according to claim 1, characterized in that the connection of the centre axis of the connecting column (25) with the centre axis of the first connecting rod (231) is arranged at an obtuse angle, the direction of the inner angle of which is directed away from the second scraping plate (22).

3. The air flotation tank scraping device according to claim 1, wherein the number of the link mechanisms (23) is plural, and the plurality of the link mechanisms (23) are arranged at intervals along the length direction of the first scraping plate (21).

4. The air flotation tank scraping device according to claim 1, wherein the two ends of the first scraping plate (21) in the length direction are provided with sliding grooves (211), and the two ends of the second scraping plate (22) in the length direction are connected in the corresponding sliding grooves (211) in a sliding manner.

5. An air flotation tank scraping device according to claim 1, characterized in that the second scraping means (22) is located on the opposite side of the direction of movement of the first scraping means (21).

6. The floatation tank scraper device according to claim 1, wherein the lower part of the second scraper (22) is made of rubber material.