CN212222480U - High-efficiency air flotation machine for sewage treatment - Google Patents
High-efficiency air flotation machine for sewage treatment Download PDFInfo
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- CN212222480U CN212222480U CN202020899043.9U CN202020899043U CN212222480U CN 212222480 U CN212222480 U CN 212222480U CN 202020899043 U CN202020899043 U CN 202020899043U CN 212222480 U CN212222480 U CN 212222480U
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Abstract
The utility model relates to a sewage treatment technical field, specifically speaking relates to a sewage treatment uses high-efficient air supporting machine. The aeration tank comprises a tank body, wherein the tank body is of a groove-shaped structure with an opening at the upper part and comprises an aeration section and an air floatation section; the air floatation section is provided with a mud scraping system, and the mud scraping system comprises a chain type mud scraping device and a slag discharging device; the chain type mud scraping device comprises a transmission belt and a mud scraping plate arranged on the transmission belt, wherein the mud scraping plate comprises a fixed plate and an adjusting plate; the tail end of the air floatation section is provided with a water outlet tank, an overflow plate is arranged between the water outlet tank and the air floatation section, the upper end of the side wall of the water outlet tank is provided with a water outlet, and the bottom of the water outlet tank is provided with a sewage discharge outlet. The length of the mud scraper of the utility model is adjustable, which is convenient for the staff to adjust the length of the mud scraper at any time according to the actual situation so as to ensure that the mud scraper can smoothly scrape and convey the scraped suspended matters into the slag discharging groove; in addition, the arrangement of the water outlet tank and the overflow plate enables the quality of discharged water to be better.
Description
Technical Field
The utility model relates to a sewage treatment technical field, specifically speaking relates to a sewage treatment uses high-efficient air supporting machine.
Background
The air flotation machine is used as an efficient and rapid solid-liquid separation technology and starts from ore dressing. The method utilizes highly dispersed micro-bubbles as carriers to adhere suspended matters in water, so that the density of the micro-bubbles is smaller than that of the water and the micro-bubbles float to the water surface to realize the separation process of the micro-bubbles from the liquid. It can be used for separating solid from solid, solid from liquid, liquid from liquid and even ion in solute.
Currently, air flotation machines are mainly classified into cavitation air flotation machines, dissolved air flotation machines, and electrolytic air flotation machines. The cavitation air flotation machine sucks air by means of a vacuum negative pressure state caused by centrifugal force of a high-speed rotating impeller, becomes fine air to be diffused in water, and directly removes impurities such as solid suspended matters, grease, jelly and the like from waste water. The device is mainly used for purifying and treating industrial sewage and municipal sewage such as petroleum, chemical industry, papermaking, printing, starch, food and the like, and has the advantages of low investment, simple operation, easy opening and low fault.
The cavitation air flotation machine mainly comprises a box body, an aerator, a mud scraping system and the like, and the length of a mud scraping plate of the conventional cavitation air flotation machine cannot be adjusted, so that suspended matters cannot be smoothly scraped into a slag discharge groove sometimes; in addition, the water outlet of the existing cavitation air flotation machine is directly arranged on the box body at the tail end of the air flotation section, and the quality of the outlet water is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment is with high-efficient air supporting machine, solve above technical problem.
In order to solve the above problems, the utility model adopts the following technical scheme:
an efficient air floatation machine for sewage treatment comprises a box body, wherein the box body is of a groove-shaped structure with an opening at the upper part and comprises an aeration section and an air floatation section; wherein the aeration section is provided with an aerator, and a water inlet is arranged on a box body at the lower end of the aeration section; the air floatation section is provided with a mud scraping system, and the mud scraping system comprises a chain type mud scraping device and a slag discharging device; the chain type mud scraping device comprises a transmission belt assembled on two sides of the box body and a mud scraping plate arranged on the transmission belt, wherein the mud scraping plate comprises a fixed plate and an adjusting plate; the adjusting plate is inserted into a slot arranged along the width direction of the fixing plate, and the bottom of the adjusting plate is fixedly connected with a limiting adjusting seat; adjusting hand wheels are assembled at two ends of the fixing plate through rotating shafts respectively, threaded rods are welded at the tops of the adjusting hand wheels, and the threads of the threaded rods penetrate through the limiting adjusting seats and extend into reserved holes formed in the adjusting plates; the slag discharging device comprises a slag discharging groove arranged below the tail end of the chain type mud scraping device, a spiral body arranged in the slag discharging groove and a slag discharging motor for driving the spiral body to rotate, one end of the slag discharging groove extends to the outer side of the box body, and a slag discharging port is arranged at the bottom of the part of the slag discharging groove extending to the outer side of the box body; the tail end of the air floatation section is provided with a water outlet tank, an overflow plate is arranged between the water outlet tank and the air floatation section, the upper end of the side wall of the water outlet tank is provided with a water outlet, and the bottom of the water outlet tank is provided with a sewage discharge outlet.
Preferably: the slot of fixed plate still is provided with the guide bar, the guide bar run through spacing regulation seat, and its both ends are fixed respectively on the fixed plate.
Preferably: and a return pipe for communicating the air flotation section with the aeration section is laid at the bottom of the air flotation section.
Preferably: and a sludge discharge port is formed at the bottom end of the side wall of the box body corresponding to the air floatation section.
Preferably: the water inlet is provided with a dosing port.
Has the advantages that: compared with the prior art, the length of the mud scraper has adjustability, which is convenient for workers to adjust the length of the mud scraper at any time according to actual conditions so as to ensure that the scraped suspended matters can be smoothly scraped and conveyed into the slag discharging groove; in addition, the arrangement of the water outlet tank and the overflow plate enables the quality of discharged water to be better.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic structural view of the mud scraper of the present invention;
fig. 4 is a schematic side view of the mud scraper of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Examples
Referring to fig. 1 and 2, the high-efficiency air flotation machine for sewage treatment in the embodiment includes a box body 1, wherein the box body 1 is of a groove-shaped structure with an upper opening and includes an aeration section and an air flotation section. Wherein:
the aeration section is provided with an aerator 2, and a water inlet 3 is arranged on a box body 1 at the lower end of the aeration section.
The air supporting section is provided with a mud scraping system, and the mud scraping system comprises a chain type mud scraping device and a slag discharging device. The chain type mud scraper comprises a transmission belt 4 assembled at two sides of a box body 1 and a mud scraper 5 arranged on the transmission belt 4. The slag discharging device comprises a slag discharging groove 6 arranged below the tail end of the chain type mud scraping device, a spiral body 7 arranged in the slag discharging groove 6 and a slag discharging motor 8 driving the spiral body 7 to rotate, one end of the slag discharging groove 6 extends to the outer side of the box body 1, and a slag discharging port 9 is arranged at the bottom of the part, extending to the outer side of the box body 1, of the slag discharging groove 6.
The tail end of the air floatation section is provided with a water outlet tank 10, an overflow plate 11 is arranged between the water outlet tank 10 and the air floatation section, the upper end of the side wall of the water outlet tank 10 is provided with a water outlet 12, and the bottom of the side wall of the water outlet tank is provided with a sewage outlet 16. The baffle 17 is arranged in front of the overflow plate 11 and below the slag discharge groove 6, so that the flow path of water flow is increased, the settling time is prolonged, and the water is more completely settled. Furthermore, the provision of the overflow plate 11 ensures that the water entering the outlet tank 10 is a clear upper layer. The supernatant liquid of the air floatation section overflows into the water outlet tank 10 and is precipitated again in the water outlet tank 10, the supernatant liquid is discharged through the water outlet 12, the precipitate is discharged through the sewage discharge outlet 16, and the quality of the discharged water is better after twice precipitation.
And a return pipe 13 communicating the air flotation section with the aeration section is laid at the bottom of the air flotation section.
And a sludge discharge port 14 is formed at the bottom end of the side wall of the box body 1 corresponding to the air floatation section.
A medicine adding opening 15 is arranged at the water inlet 3. The removal rate of COD and BOD in the pretreatment stage can reach more than 60 percent by adding proper flocculating agent and mixing agent through the medicine adding port 15.
Referring to fig. 3 and 4, the scraper 5 includes a fixed plate 51 and an adjusting plate 52. The adjusting plate 52 is inserted into a slot 53 formed along the width direction of the fixing plate 51, and a limiting adjusting seat 54 is fixedly connected to the bottom of the adjusting plate. The two ends of the fixed plate 51 are respectively assembled with adjusting handwheels 56 through rotating shafts 59 (the bottom end of the rotating shaft 59 is assembled with bearings embedded on the fixed plate 51, and the top end of the rotating shaft 59 is welded with the adjusting handwheels 56), threaded rods 55 are welded at the top of the adjusting handwheels 56, and the threaded rods 55 penetrate through the limiting adjusting seats 54 and extend into the preformed holes 57 formed in the adjusting plates 52. A guide rod 58 is further disposed in the slot 53 of the fixing plate 51, the guide rod 58 penetrates through the limiting adjustment seat 54, and two ends of the guide rod are respectively fixed on the fixing plate 51. In the use, can adjust the length of scraper 5 according to the condition to ensure that it can scrape the suspended solid of scraping off smoothly and send to in the scum groove 6. When the length of the mud scraper 5 is adjusted, the adjusting hand wheel 56 is rotated clockwise, the threaded rod 55 is rotated clockwise, the limiting adjusting seat 54 is driven to drive the adjusting plate 52 to ascend, and the adjusting plate 52 extends out of the fixing plate 51, so that the mud scraper 5 is lengthened; conversely, the adjusting hand wheel 56 is rotated anticlockwise, the threaded rod 55 rotates anticlockwise, the limiting adjusting seat 54 is driven to drive the adjusting plate 52 to descend, the adjusting plate 52 retracts into the fixing plate 51, and the mud scraper 5 is shortened.
The length of the mud scraper of the utility model is adjustable, which is convenient for the staff to adjust the length of the mud scraper at any time according to the actual situation so as to ensure that the mud scraper can smoothly scrape and convey the scraped suspended matters into the slag discharging groove; in addition, the arrangement of the water outlet tank and the overflow plate enables the quality of discharged water to be better.
The above is only the embodiment of the present invention, not so limit on the other hand through the patent scope of the present invention, all utilize the equivalent structure made in the specification and the attached drawings, directly or indirectly apply to other related technical fields, all with the same principle within the patent protection scope of the present invention.
Claims (5)
1. An efficient air floatation machine for sewage treatment comprises a box body (1), wherein the box body (1) is of a groove-shaped structure with an opening at the upper part and comprises an aeration section and an air floatation section; wherein the aeration section is provided with an aerator (2), and a water inlet (3) is arranged on a box body (1) at the lower end of the aeration section; the method is characterized in that: the air floatation section is provided with a mud scraping system, and the mud scraping system comprises a chain type mud scraping device and a slag discharging device; the chain type mud scraping device comprises a transmission belt (4) assembled on two sides of a box body (1) and a mud scraping plate (5) installed on the transmission belt (4), wherein the mud scraping plate (5) comprises a fixed plate (51) and an adjusting plate (52); the adjusting plate (52) is inserted into a slot (53) formed in the width direction of the fixing plate (51), and the bottom of the adjusting plate is fixedly connected with a limiting adjusting seat (54); adjusting hand wheels (56) are respectively assembled at two ends of the fixing plate (51) through rotating shafts (59), threaded rods (55) are welded at the tops of the adjusting hand wheels (56), and the threads of the threaded rods (55) penetrate through the limiting adjusting seats (54) and extend into preformed holes (57) formed in the adjusting plates (52); the slag discharging device comprises a slag discharging groove (6) arranged below the tail end of the chain type mud scraping device, a spiral body (7) arranged in the slag discharging groove (6) and a slag discharging motor (8) for driving the spiral body (7) to rotate, one end of the slag discharging groove (6) extends to the outer side of the box body (1), and a slag discharging port (9) is formed in the bottom of the part, extending to the outer side of the box body (1), of the slag discharging groove (6); the tail end of the air floatation section is provided with a water outlet tank (10), an overflow plate (11) is arranged between the water outlet tank (10) and the air floatation section, the upper end of the side wall of the water outlet tank (10) is provided with a water outlet (12), and the bottom of the water outlet tank is provided with a sewage outlet (16).
2. The efficient air flotation machine for sewage treatment as claimed in claim 1, wherein: the guide rod (58) is further arranged in the slot (53) of the fixing plate (51), the guide rod (58) penetrates through the limiting adjusting seat (54), and two ends of the guide rod are respectively fixed on the fixing plate (51).
3. The efficient air flotation machine for sewage treatment as claimed in claim 1 or 2, wherein: and a return pipe (13) communicating the air flotation section with the aeration section is laid at the bottom of the air flotation section.
4. The efficient air flotation machine for sewage treatment as claimed in claim 1 or 2, wherein: and a sludge discharge port (14) is formed at the bottom end of the side wall of the box body (1) corresponding to the air floatation section.
5. The efficient air flotation machine for sewage treatment as claimed in claim 1 or 2, wherein: a medicine adding opening (15) is arranged at the water inlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020899043.9U CN212222480U (en) | 2020-05-25 | 2020-05-25 | High-efficiency air flotation machine for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020899043.9U CN212222480U (en) | 2020-05-25 | 2020-05-25 | High-efficiency air flotation machine for sewage treatment |
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| Publication Number | Publication Date |
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| CN212222480U true CN212222480U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020899043.9U Active CN212222480U (en) | 2020-05-25 | 2020-05-25 | High-efficiency air flotation machine for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282768A (en) * | 2023-05-10 | 2023-06-23 | 山东中侨启迪环保装备有限公司 | Impurity air-floatation separation device for water treatment and working method thereof |
-
2020
- 2020-05-25 CN CN202020899043.9U patent/CN212222480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116282768A (en) * | 2023-05-10 | 2023-06-23 | 山东中侨启迪环保装备有限公司 | Impurity air-floatation separation device for water treatment and working method thereof |
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