CN212687616U - Dissolved air integrated air flotation machine - Google Patents
Dissolved air integrated air flotation machine Download PDFInfo
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- CN212687616U CN212687616U CN202021016041.7U CN202021016041U CN212687616U CN 212687616 U CN212687616 U CN 212687616U CN 202021016041 U CN202021016041 U CN 202021016041U CN 212687616 U CN212687616 U CN 212687616U
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Abstract
The utility model discloses a dissolved air integrated air flotation machine, which comprises an air flotation tank, wherein an inflatable coagulation tank, a flocculation air flotation device, an inclined plate oil separation device, a sludge tank and a water outlet tank are sequentially arranged in the air flotation tank; a slag scraping device is arranged above the flocculation air flotation device, the inclined plate oil separation device and the sludge tank; the tail end of the slag scraping device is arranged at the inlet end of the sludge tank; the utility model has the advantages that: all parts are organically combined, the equipment structure is simplified, the production cost is reduced, the treatment effect is good, and the production efficiency is improved.
Description
Technical Field
The utility model relates to an air supporting machine, specifically speaking dissolve gas integration air supporting machine belongs to the air supporting machine field.
Background
At present, the commonly used sewage treatment technologies mainly comprise an inclined plate oil separation precipitation method, a dissolved air floatation method and a cavitation air floatation method. The air-dissolved air floatation method is characterized in that air sent into an air tank by an air compressor is brought into a dissolved air tank through a jet device, is forcibly dissolved in water under the action of pressure to form dissolved air water, and is sent into an air floatation tank to realize solid-liquid separation. The utility model discloses a chinese utility model patent of "swash plate cavitation dissolves gas integration air supporting machine" application number is "201320838875. X" discloses a swash plate cavitation dissolves gas integration air supporting machine, and it has solved the air supporting machine area among the prior art great, the loaded down with trivial details scheduling problem of processing procedure, including air supporting pond, inflation system, this inflation system comprises cavitation air supporting device, dissolved gas air supporting device and swash plate oil removal device, fuses the three in the integration equipment. Although the device integrates the three devices into one device, simple alignment superposition is only realized, the structure of the cavitation air flotation device and the dissolved air flotation device is complex, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a dissolve gas integration air supporting machine, each part combines organically, has simplified equipment structure, has reduced manufacturing cost, and the treatment effect is good moreover, has improved production efficiency.
The technical scheme of the utility model is that:
the dissolved air integrated air flotation machine comprises an air flotation tank, wherein an inflatable coagulation tank, a flocculation air flotation device, an inclined plate oil separation device, a sludge tank and a water outlet tank are sequentially arranged in the air flotation tank; a slag scraping device is arranged above the flocculation air flotation device, the inclined plate oil separation device and the sludge tank; the tail end of the slag scraping device is arranged at the inlet end of the sludge tank, so that floating objects above the flocculation air flotation device, the inclined plate oil separation device and the sludge tank are scraped into the sludge tank.
Further, aerify jar of coagulating including a jar body, a jar body is equipped with flocculating agent dosing mouth, water inlet, delivery port and drain, the internal hollow shaft that is equipped with of jar, the upper end and the setting of hollow shaft are in the external motor drive of jar links to each other, the hollow shaft is equipped with the inlet port, the inlet port is equipped with sealed axle sleeve outward, sealed axle sleeve is equipped with the air inlet, the air inlet links to each other with the air pump pipeline to realized giving the hollow shaft air feed, the hollow shaft is linked together with hollow stirring rod, hollow stirring rod sets up perpendicularly on the hollow shaft, hollow stirring rod is equipped with a plurality of ventholes, thereby has realized aerifing the aeration effect to the jar body at the in-process that the stirring is coagulated, has improved work efficiency, has simplified equipment structure, the cost is reduced.
Wherein, the water inlet of the jar body, delivery port all set up the nearly bottom in both sides, water inlet department is equipped with first baffle perpendicularly, delivery port department is equipped with the second baffle perpendicularly, the upper end of first baffle and second baffle be the open end to make the mobility of sewage increase, improved air supporting, dissolved air and aeration effect, the triplex bottom of cutting apart all is equipped with the drain.
Furthermore, the flocculation air flotation device comprises an arc-shaped guide plate which is obliquely arranged, the upper end and the lower end of the arc-shaped guide plate are respectively provided with a sewage flow channel, the lower end of the sewage flow channel is provided with a separation net, so that impurities in sewage can be prevented from passing through, the impurities in the sewage can be kept on one side of the arc-shaped guide plate and then can be scraped off by the slag scraping device, the upper part of the tank body is provided with a coagulant aid adding port, coagulant aid polyacrylamide is added according to a certain dosage, the coagulant aid effect is best after flocculation reaction is carried out for a certain time, so that a flocculating agent and the coagulant aid are not added at the same adding point, under the guiding action of the arc-shaped guide plate, the flocculating agent forms scum and floats to the surface of the flocculation air flotation device, and treated water after the scum; sewage enters from the water inlet, is fully mixed with flocculant polyaluminium chloride from the flocculant feeding port in the tank body, and then waste is discharged from the sewage outlet; the lower end part of the arc-shaped guide plate is close to the starting end of the slag scraping device, and the upper end part of the arc-shaped guide plate is close to the tail end of the slag scraping device.
Furthermore, the slag scraping device is positioned above the air floatation tank and comprises two transmission chains arranged on two sides of the air floatation tank, the two transmission chains are arranged on transmission chain wheels of two transmission shafts, one of the transmission shafts is provided with a driven wheel, and the driven wheel is in transmission connection with a driving wheel of a motor; two be connected with between the chain and scrape groove or scraper blade, the cross section of scraping the groove is triangle-shaped, the notch of scraping the groove is the same with the advancing direction of chain to can scrape the suspended solid, improve and scrape sediment efficiency.
Furthermore, the scraping groove is also provided with water leakage holes, so that the scraping efficiency of suspended matters is improved.
The upper end sewage circulation passageway is equipped with movable partition plate, movable partition plate's upper end with jar body is articulated, the lower extreme with the arc guide plate contacts, is pushed open when scraping the groove and removing movable partition plate department, makes the suspended solid enter into the sludge storage tank, avoids the impurity in the sewage to pass through simultaneously, makes the impurity in the sewage all remain in one side of arc guide plate, then strikes off through scraping the sediment device.
The lower part of the arc-shaped guide plate and the sludge tank are provided with filter screens, so that impurities are prevented from falling into the inclined plate oil separation device.
The inclined plate oil separation device realizes oil content floating separation and heavy oil and impurity sinking separation through an inclined plate with an inclination angle of 45 degrees.
The utility model has the advantages that: all parts are organically combined, the equipment structure is simplified, the production cost is reduced, the treatment effect is good, and the production efficiency is improved.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1, the dissolved air integrated air flotation machine comprises an air flotation tank 1, wherein an inflatable coagulation tank 2, a flocculation air flotation device 3, an inclined plate oil separation device 4, a sludge tank 5 and a water outlet tank 6 are sequentially arranged in the air flotation tank 1; a slag scraping device 7 is arranged above the flocculation air flotation device 3, the inclined plate oil separation device 4 and the sludge tank 5; the tail end of the slag scraping device 7 is arranged at the inlet end of the sludge tank 5, so that floating objects above the flocculation air flotation device 3, the inclined plate oil separation device 4 and the sludge tank 5 are scraped into the sludge tank 5;
Wherein, the water inlet of jar body 21, delivery port all set up the nearly bottom in both sides, water inlet department is equipped with first baffle 27 perpendicularly, delivery port department is equipped with second baffle 28 perpendicularly, the upper end of first baffle and second baffle be the open end to make the mobility of sewage increase, improved air supporting, dissolved gas and aeration effect, the triplex bottom of cutting apart all is equipped with the drain.
The flocculation air flotation device 3 comprises an arc-shaped guide plate 31 which is obliquely arranged, the upper end and the lower end of the arc-shaped guide plate 31 are respectively provided with a sewage circulation channel, the sewage circulation channel at the lower end is provided with a separation net, so that impurities in sewage can be prevented from passing through, the impurities in the sewage can be kept on one side of the arc-shaped guide plate, and then the impurities are scraped by a slag scraping device 7; the upper part of the tank body 21 is provided with a coagulant aid feeding port 32, a coagulant aid Polyacrylamide (PAM) is added according to a certain dosage, and the best effect is achieved after flocculation reaction is carried out for a certain time, so that the flocculant and the coagulant aid are not fed at the same feeding point, the flocculant forms scum under the guiding action of the arc-shaped guide plate and floats to the surface of the flocculation air flotation device 3, and the treated water after scum removal flows to the inclined plate oil separation device from the lower part of the arc-shaped guide plate; sewage enters from the water inlet, is fully mixed with flocculant polyaluminium chloride (PAC) from the flocculant feeding port in the tank body, and then waste is discharged from the sewage outlet; the lower end part of the arc-shaped guide plate 31 is close to the initial end of the slag scraping device 7, and the upper end part of the arc-shaped guide plate 31 is close to the tail end of the slag scraping device 7.
The inclined plate oil separation device 4 is composed of a plurality of inclined plates with an inclination angle of 45 degrees, and the inclined plates are arranged on the inclined plate frame and are conventional devices. The lower part of the inclined plate oil separation device 4 is communicated with the water outlet groove 6 through a water outlet pipeline.
The slag scraping device 7 is positioned above the air floatation tank 1 and comprises transmission chains 71 arranged on two sides of the air floatation tank 1, the transmission chains 71 are arranged on two transmission shafts 72, one of the transmission shafts is provided with a driven wheel, and the driven wheel is in transmission connection with a driving wheel of a motor; two be connected with between the chain and scrape groove 73, the cross section of scraping groove 73 is triangle-shaped, the notch of scraping groove 73 is the same with the advancing direction of chain to can scrape the suspended solid, improve and scrape sediment efficiency. The scraping groove 73 is also provided with water leakage holes, so that the scraping efficiency of suspended matters is improved.
The upper end sewage circulation passageway is equipped with movable partition plate 33, movable partition plate 33 the upper end with jar body 21 is articulated, the lower extreme with arc guide plate 31 contacts, is pushed open when scraping groove 73 and removing movable partition plate department, makes the suspended solid enter into sludge impoundment 5 in, avoids the impurity in the sewage to pass through simultaneously, makes the impurity in the sewage all remain in one side of arc guide plate, then strikes off through scraping sediment device 7.
A filter screen 34 is arranged between the lower part of the arc-shaped guide plate 31 and the sludge tank 5, so that impurities are prevented from falling into the inclined plate oil separation device 4.
The inclined plate oil separation device 4 realizes floating separation of oil and sinking separation of heavy oil and impurities through an inclined plate with an inclination angle of 45 degrees.
Claims (7)
1. Dissolve gas integration air supporting machine, its characterized in that: the device comprises an air flotation tank, wherein an inflatable coagulation tank, a flocculation air flotation device, an inclined plate oil separation device, a sludge tank and a water outlet tank are sequentially arranged in the air flotation tank; a slag scraping device is arranged above the flocculation air flotation device, the inclined plate oil separation device and the sludge tank; the tail end of the slag scraping device is arranged at the inlet end of the sludge tank.
2. The integrated dissolved air flotation machine according to claim 1, characterized in that: the aerated concrete tank comprises a tank body, wherein the tank body is provided with a flocculating agent dosing port, a water inlet, a water outlet and a sewage discharge outlet, a hollow shaft is arranged in the tank body, the upper end of the hollow shaft is arranged on the motor transmission outside the tank body, the hollow shaft is provided with an air inlet, a sealing shaft sleeve is arranged outside the air inlet, the sealing shaft sleeve is provided with an air inlet, the air inlet is connected with an air pump pipeline, so that air supply for the hollow shaft is realized, the hollow shaft is communicated with a hollow stirring rod, the hollow stirring rod is vertically arranged on the hollow shaft, and the hollow stirring rod is provided with a plurality of air outlet holes.
3. The integrated dissolved air flotation machine according to claim 2, characterized in that: the water inlet of the tank body and the water outlet are both arranged at the bottom parts close to the two sides, a first partition plate is vertically arranged at the water inlet, a second partition plate is vertically arranged at the water outlet, and the upper end parts of the first partition plate and the second partition plate are open ends.
4. The integrated dissolved air flotation machine according to claim 3, characterized in that: the flocculation air flotation device comprises an arc-shaped guide plate which is obliquely arranged, the upper end and the lower end of the arc-shaped guide plate are respectively provided with a sewage circulation channel, the lower end of the arc-shaped guide plate is provided with a separation net, and the upper part of the tank body is provided with a coagulant aid dosing port; the lower end part of the arc-shaped guide plate is close to the starting end of the slag scraping device, and the upper end part of the arc-shaped guide plate is close to the tail end of the slag scraping device.
5. The integrated dissolved air flotation machine according to claim 4, characterized in that: the slag scraping device is positioned above the air floatation tank and comprises two transmission chains arranged on two sides of the air floatation tank, the two transmission chains are arranged on transmission chain wheels of two transmission shafts, one of the transmission shafts is provided with a driven wheel, and the driven wheel is in transmission connection with a driving wheel of a motor; a scraping groove or a scraping plate is connected between the two chains, the cross section of the scraping groove is triangular, and the notch of the scraping groove is the same as the advancing direction of the chains; the scraping groove is also provided with a water leakage hole.
6. The integrated dissolved air flotation machine according to claim 5, characterized in that: the upper end the sewage circulation passageway is equipped with movable partition, movable partition's upper end with jar body is articulated, the lower extreme with the arc guide plate contacts.
7. The integrated dissolved air flotation machine according to claim 6, characterized in that: a filter screen is arranged between the lower part of the arc-shaped guide plate and the sludge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016041.7U CN212687616U (en) | 2020-06-05 | 2020-06-05 | Dissolved air integrated air flotation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016041.7U CN212687616U (en) | 2020-06-05 | 2020-06-05 | Dissolved air integrated air flotation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687616U true CN212687616U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021016041.7U Active CN212687616U (en) | 2020-06-05 | 2020-06-05 | Dissolved air integrated air flotation machine |
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| CN (1) | CN212687616U (en) |
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2020
- 2020-06-05 CN CN202021016041.7U patent/CN212687616U/en active Active
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