CN216426804U

CN216426804U - Dissolved air flotation machine

Info

Publication number: CN216426804U
Application number: CN202122460855.0U
Authority: CN
Inventors: 易明远; 陶亮; 杨培兴
Original assignee: Chongqing Kede Environmental Protection Technology Co ltd
Current assignee: Chongqing Kede Environmental Protection Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-03
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a dissolve gas air supporting machine, include: a slag scraping system, the slag scraping system comprising: the automatic scraper conveyer comprises a driving rotating roller, a driving chain wheel, a driven rotating roller, a driven chain wheel, a chain, scrapers and a rotating driving mechanism, wherein the rotating driving mechanism is connected to the driving rotating roller; a permanent magnet is arranged in the driven rotary roller, the permanent magnet is of a partial arc structure, and the permanent magnet is positioned right above a scum groove in the dissolved air flotation machine; the scraper blade includes: the first plate body, the second plate body, the elastic part, the pull rope and the iron block are arranged in the first plate body, and the movable iron block is arranged in the first plate body. The dissolved air flotation machine solves the problem that scum removing efficiency is low because a straight-plate type scraper is adopted in a scum scraping system in the prior art.

Description

Dissolved air flotation machine

Technical Field

The utility model relates to a sewage treatment device, concretely relates to dissolved air flotation machine.

Background

Chinese patent discloses a dissolved air flotation machine for wastewater treatment with application number CN202021341404.4, which comprises: the water inlet, the dissolved air flotation machine box body, the water outlet and the dissolved air device are arranged in the dissolved air flotation machine box body, a reaction area, a suspension area and a clear water area are respectively arranged in the water flow direction in the wastewater treatment process, the reaction area further comprises a PH regulation area, a coagulation area and a flocculation area in the water flow direction, the PH regulation area, the coagulation area and the flocculation area are separated by a partition plate, an outlet for unidirectional circulation of wastewater is arranged in the partition plate, the PH regulation area, the coagulation area and the flocculation area are internally provided with a dosing device, the water inlet is connected with the PH regulation area, and although the wastewater can be treated, the dissolved air flotation machine still has the defects that:

the scum scraping system is installed in the dissolved air flotation machine, although the scum scraping system can scrape floating impurities into a scum groove, the scum scraping system adopts a straight scraper, the straight scraper scrapes scum into the scum groove in the process, and the scum is easily separated from the straight scraper, so that the scum removing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dissolved air flotation machine solves and scrapes the sediment system and adopts the straight board type scraper blade and lead to the lower problem of dross efficiency of getting rid of among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a dissolve gas air supporting machine, include: a slag scraping system, the slag scraping system comprising: the automatic scraper conveyer comprises a driving rotating roller, a driving chain wheel, a driven rotating roller, a driven chain wheel, a chain, scrapers and a rotating driving mechanism, wherein the rotating driving mechanism is connected to the driving rotating roller; a permanent magnet is arranged in the driven rotary roller, the permanent magnet is of a partial arc structure, and the permanent magnet is positioned right above a scum groove in the dissolved air flotation machine; the scraper blade includes: the first plate body, the second plate body, the elasticity portion, stay cord and iron plate, install the iron plate that can remove in the first plate body, the tip that the first plate body deviates from the chain articulates to second plate body one end, install elasticity portion between first plate body and second plate body, the elasticity portion is used for keeping second plate body and first plate body perpendicular, the iron plate is connected to stay cord one end, the stay cord other end is fixed to the second plate body, the permanent magnet makes the second plate body parallel with first plate body through adsorbing the iron plate when the iron plate is located the permanent magnet side.

Preferably, the holding tank has been seted up with first plate body articulated terminal surface to the second plate body, and the holding tank is convex structure, and the holding tank supplies the stay cord to put into.

Preferably, the elastic portion is a coil spring.

Preferably, the first plate body is recessed to form an installation groove at one end away from the chain, and the installation groove is used for placing one end of the second plate body.

Preferably, the second plate body and the first plate body are both penetrated by an articulated shaft, the articulated shaft is of a T-shaped structure, the small end of the articulated shaft is in threaded connection with a nut, and the nut and the large end of the articulated shaft are matched to clamp the first plate body and the second plate body.

Preferably, a side surface of the second plate body is recessed to form a placement groove, the placement groove surrounds the hinge shaft, and a coil spring is installed in the placement groove.

Preferably, coil spring one end is fixed to first installation piece, and the coil spring other end is fixed to the second installation piece, and first installation piece and second installation piece are T type structure, and the sunken second slot that forms to be located the other of standing groove of second plate body, and the second slot supplies the second installation piece to insert, and first installation piece can be dismantled with first plate body through a coupling mechanism and be connected.

Preferably, the connection mechanism includes: the mounting ring and participate in, the mounting ring cover is outside the articulated shaft, and first slot has been seted up to the mounting ring, and first slot supplies first installation piece to insert, and the mounting ring is put into in the standing groove, participates in one end and inserts to the mounting ring, participates in the other end and passes first plate body, participates in by the nut and compresses tightly in the standing groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

by arranging the elastic part and arranging the first plate body to rotate relative to the second plate body, the second plate body can be kept to be vertical to the first plate body under the elasticity of the elastic part, and the first plate body is vertical to the second plate body, so that the second plate body can hook most scum to move towards the scum groove when the scum is scraped, the probability of separation of the scum from the scraper blade is reduced, and the scum removal efficiency is improved; then, set up permanent magnet and iron plate cooperation, when the scraper blade rotation to the position that corresponds with the permanent magnet, the permanent magnet adsorbs the iron plate and removes, the iron plate passes through the stay cord pulling second plate body and rotates, then with the second plate body rotation to the position parallel with first plate body, locate the second plate body and be parallel with first plate body at driven rotatory roller, throw away the dross, the dross drops at the dross inslot to improve the effect of dross and scraper blade separation, avoid the dross to stop too for a specified time on the scraper blade.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a cross-sectional view of a dissolved air flotation machine;

FIG. 2 is a schematic structural diagram of a slag scraping system;

FIG. 3 is a cross-sectional view of the flight when the first plate is perpendicular to the second plate;

FIG. 4 is an enlarged view of FIG. 3 at the coil spring;

fig. 5 is a schematic structural view of the scraping plate when the first plate body and the second plate body are parallel;

fig. 6 is a schematic view of the structure at the connection mechanism.

Reference numerals: the slag scraping system 1, the driving rotating roller 11, the driving sprocket 12, the driven rotating roller 13, the permanent magnet 130, the driven sprocket 14, the chain 15, the scraper 16, the first plate 161, the second plate 162, the accommodating groove 160, the elastic part 163, the pull rope 164, the iron block 165, the hinge shaft 166, the nut 167, the first mounting block 168, the second mounting block 169, the connecting mechanism 17, the mounting ring 171, the pin 172 and the elastic part 2.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1 to 6, the utility model discloses a dissolved air flotation machine, include: slag scraping system 1, slag scraping system 1 includes: the automatic cleaning device comprises a driving rotating roller 11, a driving sprocket 12, a driven rotating roller 13, a driven sprocket 14, a chain 15, scrapers 16 and a rotating driving mechanism (not shown), wherein the rotating driving mechanism is connected to the driving rotating roller 11, the driving sprocket 12 is installed on the driving rotating roller 11, the driven rotating roller 13 is installed beside the driving rotating roller 11, the driven sprocket 14 is installed on the driven rotating roller 13, the driving sprocket 12 and the driven sprocket 14 are externally meshed with an annular chain 15, and the chain 15 is provided with a plurality of scrapers 16; a permanent magnet 130 is arranged in the driven rotary roller 13, the permanent magnet 130 is of a partial arc structure, and the permanent magnet 130 is positioned right above a scum groove in the dissolved air floatation machine; the squeegee 16 includes: first plate body 161, second plate body 162, elastic component 2163, stay cord 164 and iron plate 165, install iron plate 165 that can remove in first plate body 161, the end that first plate body 161 deviates from chain 15 articulates to second plate body 162 one end, install elastic component 2163 between first plate body 161 and second plate body 162, elastic component 2163 is used for keeping second plate body 162 perpendicular with first plate body 161, iron plate 165 is connected to stay cord 164 one end, stay cord 164 other end is fixed to second plate body 162, when iron plate 165 is located permanent magnet 130 by side permanent magnet 130, permanent magnet 130 makes second plate body 162 and first plate body 161 parallel through adsorbing iron plate 165.

The end surface of the second plate 162 hinged to the first plate 161 is provided with an accommodating groove 160, the accommodating groove 160 is of an arc structure, and the accommodating groove 160 is used for the pull rope 164 to be inserted. It is achieved that the pulling rope 164 is wound around the second plate 162 under the elastic force of the elastic part 2163, so that the iron block 165 is located at a position relatively far from the chain 15, and the pulling rope 164 is guided to be convoluted and released, so that the movement of the pulling rope 164 is smoother.

The elastic part 2163 is a coil spring. The coil spring can be installed in the second plate 162 to ensure a neat appearance of the second plate 162.

The first plate 161 is recessed away from the end of the chain 15 to form a mounting slot, and the mounting slot is used for placing the end of the second plate 162. The fitting of the mounting positions of the first plate 161 and the second plate 162 to each other is achieved, providing conditions for the subsequent mounting of the hinge shaft 166.

The second plate 162 and the first plate 161 are both penetrated by a hinge shaft 166, the hinge shaft 166 is of a T-shaped structure, a nut 167 is connected to a small end of the hinge shaft 166 through a thread, and the nut 167 is matched with a large end of the hinge shaft 166 to clamp the first plate 161 and the second plate 162. The cooperation of the hinge shaft 166 and the nut 167 realizes the hinge of the first plate 161 and the second plate 162.

A placing groove is formed by recessing one side surface of the second plate 162, the placing groove surrounds the hinge shaft 166, and a coil spring is installed in the placing groove. The installation of the coil spring is realized, and the coil spring can be ensured to be blocked in the placing groove by the first plate body 161.

One end of the coil spring is fixed to the first mounting block 168, the other end of the coil spring is fixed to the second mounting block 169, the first mounting block 168 and the second mounting block 169 are both in a T-shaped structure, the second plate body 162 is recessed to form a second slot beside the placement groove, the second slot is used for the second mounting block 169 to be inserted, and the first mounting block 168 is detachably connected with the first plate body 161 through a connecting mechanism 17. The design of the first mounting block 168 and the second mounting block 169 provides for a detachable connection of the coil spring.

The connection mechanism 17 includes: the mounting ring 171 and the plug 172, the mounting ring 171 is sleeved outside the hinge shaft 166, the mounting ring 171 has been provided with a first slot, the first slot is used for the first mounting block 168 to insert, the mounting ring 171 is put into the placing groove, one end of the plug 172 is inserted into the mounting ring 171, the other end of the plug 172 passes through the first plate 161, and the plug 172 is pressed tightly in the placing groove by the nut 167. The connecting mechanism 17 can be adjusted by adjusting the screw cap 167, so that the adjusting mode of the connecting mechanism 17 is simple, and in the integral installation process, the installation can be realized only by rotating the screw cap 167 after the installation ring 171 and the pin 172 are installed in place, and the installation efficiency is improved.

When mounting the second plate 162 on the first plate 161, first, the coil spring is placed in the placement groove, and the second mounting block 169 is inserted into the second slot on the second plate 162; then, the mounting ring 171 is inserted into the placing groove, and a first slot on the mounting ring 171 is ensured for the first mounting block 168 to be inserted; then, the second plate 162 with the mounting ring 171, the first mounting block 168, the second mounting block 169, and the coil spring is placed into the mounting groove; then, the pulling rope 164 is fixed to the second plate 162 by welding or the like; then, the hinge shaft 166 is inserted through the first plate 161, the second plate 162, and the mounting ring 171; then, the pins 172 are inserted into the mounting ring 171 after passing through the first plate 161, and the pins 172 restrict the mounting ring 171 from rotating relative to the first plate 161, that is, restrict the first mounting block 168 engaged with the mounting ring 171 from rotating relative to each other, so that the coil spring can perform its function; finally, the nut 167 is rotated so that the nut 167 is engaged with the large end of the hinge shaft 166 to clamp the first plate 161 and the second plate 162, and the holding pins 172 are inserted into the mounting ring 171 located in the placement groove, thereby achieving the mounting.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A dissolved air flotation machine is characterized by comprising: a slag scraping system, the slag scraping system comprising: the automatic scraper conveying device comprises a driving rotating roller, a driving chain wheel, a driven rotating roller, a driven chain wheel, a chain, scrapers and a rotating driving mechanism, wherein the rotating driving mechanism is connected to the driving rotating roller, the driving chain wheel is installed on the driving rotating roller, the driven rotating roller is installed beside the driving rotating roller, the driven chain wheel is installed on the driven rotating roller, the driving chain wheel and the driven chain wheel are externally meshed with an annular chain, and a plurality of scrapers are installed on the chain;

a permanent magnet is arranged in the driven rotary roller, the permanent magnet is of a partial arc structure, and the permanent magnet is positioned right above a scum groove in the dissolved air flotation machine;

the scraper blade includes: the first plate body, the second plate body, the elasticity portion, stay cord and iron plate, install the iron plate that can remove in the first plate body, the tip that the first plate body deviates from the chain articulates to second plate body one end, install elasticity portion between first plate body and second plate body, the elasticity portion is used for keeping second plate body and first plate body perpendicular, the iron plate is connected to stay cord one end, the stay cord other end is fixed to the second plate body, the permanent magnet makes the second plate body parallel with first plate body through adsorbing the iron plate when the iron plate is located the permanent magnet side.

2. The dissolved air flotation machine according to claim 1, wherein the end surface of the second plate body hinged to the first plate body is provided with a receiving groove, the receiving groove is of an arc-shaped structure, and the receiving groove is used for accommodating the pulling rope.

3. The dissolved air flotation machine according to claim 1, wherein the resilient portion is a coil spring.

4. The dissolved air flotation machine according to claim 3, wherein the first plate is recessed away from the chain to form a mounting groove into which an end of the second plate is inserted.

5. The dissolved air flotation machine according to claim 4, wherein the second plate and the first plate are each penetrated by a hinge shaft, the hinge shaft is of a T-shaped structure, a nut is threadedly connected to a small end of the hinge shaft, and the nut is matched with a large end of the hinge shaft to clamp the first plate and the second plate.

6. The dissolved air flotation machine according to claim 5, wherein a positioning slot is formed by recessing a side surface of the second plate, the positioning slot surrounds the hinge shaft, and a coil spring is installed in the positioning slot.

7. The dissolved air flotation machine according to claim 6, wherein one end of the coil spring is fixed to the first mounting block, the other end of the coil spring is fixed to the second mounting block, the first mounting block and the second mounting block are both of a T-shaped structure, the second plate body is recessed to form a second slot beside the placement groove, the second slot is used for the second mounting block to insert, and the first mounting block is detachably connected with the first plate body through a connecting mechanism.

8. The dissolved air flotation machine according to claim 7, wherein the connection mechanism comprises: the mounting ring and participate in, the mounting ring cover is outside the articulated shaft, and first slot has been seted up to the mounting ring, and first slot supplies first installation piece to insert, and the mounting ring is put into in the standing groove, participates in one end and inserts to the mounting ring, participates in the other end and passes first plate body, participates in by the nut and compresses tightly in the standing groove.