CN115246695A - Sewage treatment pond with antibiotic function of degradation - Google Patents

Abstract

The invention discloses a sewage treatment tank with the function of degrading antibiotics, relates to the technical field of sewage treatment, and solves the problem that the existing sewage treatment tank has poor treatment effect on antibiotics in wastewater. In the dosing sedimentation tank, a photocatalytic pool is arranged on one side of the dosing sedimentation tank, an adsorption filter tank is arranged on one side of the photocatalytic pool, and an inclined wall is arranged at the bottom of the dosing sedimentation tank, so the One side of the bottom of the dosing sedimentation tank is provided with a sewage outlet, one side of the inside of the dosing sedimentation tank is installed with a filter cartridge, the interior of the photocatalytic pool is provided with InTi nanobelts, and the bottom of the photocatalytic pool is installed There is an aeration pipe, and one end of the aeration pipe extends to the outside of the photocatalytic pool. The inside of the adsorption filter tank is sequentially provided with a gravel layer, a pebble layer and a slag layer from top to bottom. An activated carbon layer is arranged at the lower end, and a drainage port is arranged at the lower end of one side of the adsorption filter tank.

Description

A sewage treatment pond with the function of degrading antibiotics

technical field

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment pool with the function of degrading antibiotics.

Background technique

At present, there are more than 300 antibiotic production enterprises in my country, accounting for about 30% of the world's total production. The annual output of antibiotic raw materials is about 210,000 tons, and the annual discharge of antibiotic wastewater is more than 50 million tons. A chemical substance that inhibits or kills other microorganisms at low concentrations. Antibiotic wastewater has high chroma, contains various refractory and biotoxic substances, and is a kind of high-concentration organic wastewater. Antibiotic residues in wastewater will have a potential impact on the environment, and antibiotic wastewater treatment methods mainly include physical, chemical, and biological methods. Physical methods mainly include air flotation, adsorption and membrane technology; chemical methods mainly include ozone oxidation, Fenton oxidation and electrochemical technology; biological methods mainly include SBR method, MBR method and upflow anaerobic sludge bed method.

However, the existing treatment method for wastewater containing antibiotics is relatively single, and it cannot carry out advanced treatment from multiple aspects. Not only is the efficiency of the wastewater treatment process low, but there are still antibiotic residues in the treated wastewater, so it does not meet the existing needs. , we proposed a sewage treatment pond with the function of degrading antibiotics.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sewage treatment tank with the function of degrading antibiotics, so as to solve the problem that the sewage treatment tank has a poor treatment effect on antibiotics in wastewater proposed in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: a sewage treatment pond with the function of degrading antibiotics, comprising a dosing sedimentation pond, one side of the dosing and sedimentation pond is provided with a photocatalytic pond, the photocatalytic pond One side is provided with an adsorption filter tank, the bottom of the dosing sedimentation tank is provided with an inclined wall, one side of the bottom of the dosing sedimentation tank is provided with a sewage outlet, and one side of the dosing sedimentation tank is equipped with a filter cartridge , the inside of the photocatalytic pool is provided with an InTi nanobelt, and the InTi nanobelt and the photocatalytic pool are limited by a slot, and an aeration tube is installed at the bottom of the photocatalytic pool, and one end of the aeration tube extends to the photocatalytic pool. The outside of the catalytic pool, the interior of the adsorption filter pool is provided with gravel layer, pebble layer and slag layer from top to bottom in sequence, the lower end of the inside of the adsorption filter pool is provided with an activated carbon layer, and the side of the adsorption filter pool is The lower end is provided with a drainage port.

Preferably, a first connecting pipe is provided between the dosing sedimentation tank and the photocatalytic tank, and one end of the first connecting pipe extends to the inside of the filter cartridge, and a pump is installed in the middle of the first connecting pipe, so that The outer wall of the filter cartridge is wrapped with a reverse osmosis membrane, and the reverse osmosis membrane is composed of cross-linked aromatic polyamide, polysulfone and polyester non-woven fabric.

Preferably, the upper end of the dosing sedimentation tank is fixedly provided with a first fixed plate, a first motor is installed at the middle position on the upper surface of the first fixed plate, and a rotating shaft is installed on the output shaft of the first motor, And the rotating shaft extends to the inside of the dosing sedimentation tank, and the lower end of the rotating shaft is fixedly equipped with stirring blades.

Preferably, the inner wall of the dosing sedimentation tank is provided with a scraper, and there are several scrapers, and the scrapers are arranged equidistantly in sequence, and the inside of the scraper is fixedly provided with a partition bar, and the partition bar is connected with the scraper A gap is formed between the plates.

Preferably, the upper end of the photocatalytic pool is fixedly provided with a second fixing plate, and there are two second fixing plates, and the lower ends of the second fixing plates are equipped with high-pressure pump lamps, and the high-pressure pump lamps are located at the InTi nano top of the belt.

Preferably, the upper end of the adsorption filter pool is provided with a third fixed plate, a driving box is provided at the middle position of the third fixed plate, and a second connecting pipe is provided between the photocatalytic pool and the adsorption filter pool, so that A water pump is installed at the middle position of the second connecting pipe.

Preferably, a second motor is fixedly installed inside the drive box, a transmission shaft is provided on one side of the second motor, and the transmission shaft is rotatably matched with the third fixed plate, and the output end of the second motor passes through the transmission shaft. The transmission belt is driven and matched, and one end of the second connecting pipe is rotatably matched with the transmission shaft. The lower end of the transmission shaft is fixedly equipped with a water distribution pipe, and the lower end of the water distribution pipe is provided with five symmetrically distributed nozzles.

Preferably, a water distribution plate is arranged between the slag layer and the activated carbon layer, and the water distribution plate and the adsorption filter tank are fixed by bolts, and a number of equally spaced grooves are arranged inside the water distribution plate, and the grooves Flow tubes are provided at the bottom of the tanks.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention adopts the mutual cooperation of the dosing sedimentation tank, the photocatalytic pool and the adsorption filter pool to realize the advanced treatment of antibiotics in the water. In the dosing sedimentation tank, the staff can preferentially adjust the pH value of the wastewater, and then dosing to open the first The output shaft of the motor drives the stirring blades to rotate to form a rapid mixing of wastewater and chemicals. After mixing for a set time, the wastewater is left to stand. Under the action of the chemicals, the harmful substances in the wastewater are gradually separated from the wastewater to form flocs. Then, under the action of the pump, the flocculated and sedimented wastewater is transported to the photocatalytic tank, and the antibiotics in the wastewater are rapidly degraded by cooperating with the aeration tube, and finally the photocatalytic And the aerated water is sent to the adsorption filter tank, and the biological filter bed is set inside the adsorption filter tank. The biological filter bed is composed of gravel layer, pebble layer, slag layer and activated carbon layer. The large specific surface area is conducive to the rapid growth of microorganisms. Growth, using microorganisms to degrade harmful substances such as antibiotics in wastewater, which is environmentally friendly and efficient, and finally the clean water filtered by activated carbon is discharged through the drain. In this way, different degradation methods are used to perform multi-level degradation of wastewater containing antibiotics Treatment, to improve the degradation efficiency of antibiotics while ensuring the quality of treatment.

2. The present invention is provided with a filter cartridge, and the reverse osmosis membrane inside the filter cartridge is composed of cross-linked aromatic polyamide, polysulfone and polyester non-woven fabric. Negative pressure is formed inside, and the external water body is gradually sucked into the interior through the reverse osmosis membrane. During the process of passing through the reverse osmosis membrane, not only can the impurities in the water be combined, but also the flocs can be prevented from entering the photocatalytic pool through the first connecting pipe. At the same time, the use of polysulfone can degrade the microorganisms in the water initially, effectively improving the overall antibiotic degradation efficiency. In terms of cleaning, it is only necessary to turn on the pump in reverse and flush the external water into the filter cartridge to realize the reverse osmosis membrane. The cleanliness and practicability are effectively improved.

3. The present invention selects In2Ti05 nanobelts as photocatalysts, turns on the high-pressure pump lamp in the process of photocatalysis, and gradually forms a photocatalytic reaction. Since the charging properties of In2Ti05 nanobelts are in neutral or weakly alkaline water, they have a relatively strong effect on antibiotics. The large adsorption force, combined with the large specific surface area of In2Ti05 nanobelts, makes the degradation effect on antibiotics particularly obvious, and further improves the treatment efficiency of antibiotics in wastewater.

4. In the present invention, the upper end of the adsorption filter tank is provided with a water distribution pipe, and the second motor is started synchronously during the opening process of the water pump on the second connecting pipe, and its output shaft drives the transmission shaft to rotate through the transmission belt, and then drives the water distribution pipe to rotate. The photocatalyzed water enters the water distribution pipe through the second connecting pipe, and then the nozzle on the water distribution pipe sprays towards the gravel layer below. Under the action of centrifugal force, the water body is scattered and can evenly cover the gravel layer. surface, so as to improve the adsorption efficiency. In addition, a water distribution board is set under the slag layer. The biodegraded water falls on the water distribution board, then accumulates on the groove, and enters the activated carbon layer again from the flow tube. This process It can further homogenize the water body, so that the water body evenly enters the activated carbon layer to achieve filtration, and the practicability is further improved.

Description of drawings

Fig. 1 is a perspective view of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the present invention;

Fig. 3 is the structural representation of filter cartridge of the present invention;

Fig. 4 is a partially enlarged view of area A in Fig. 2 of the present invention;

Fig. 5 is a partially enlarged view of area B in Fig. 2 of the present invention.

In the figure: 1. Dosing sedimentation tank; 2. Photocatalytic tank; 3. Adsorption filter tank; 4. The first fixed plate; 5. The first motor; 6. Scraper; 7. The first connecting pipe; 8. Pumping Pump; 9. Second fixed plate; 10. In2Ti05 nanobelt; 11. Second connecting pipe; 12. Drive box; 13. Water distribution pipe; 14. Gravel layer; 15. Drain outlet; 16. Sewage outlet; Rotary shaft; 18. Stirring blade; 19. Inclined wall; 20. Separation bar; 21. Filter cartridge; 22. Reverse osmosis membrane; 23. Aeration tube; 24. High-pressure pump lamp; 25. Pebble layer; 26. Slag layer 27, activated carbon layer; 28, the third fixed plate; 29, transmission shaft; 30, the second motor; 31, transmission belt; 32, water distribution plate; 33, groove; 34, flow tube.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Please refer to Fig. 1-5, a kind of embodiment provided by the present invention: a kind of sewage treatment tank with the function of degrading antibiotics, comprises dosing sedimentation tank 1, one side of dosing sedimentation tank 1 is provided with photocatalytic pool 2, photocatalytic tank 2 One side of the catalytic pool 2 is provided with an adsorption filter tank 3, the bottom of the dosing sedimentation tank 1 is provided with an inclined wall 19, one side of the bottom of the dosing sedimentation tank 1 is provided with a sewage outlet 16, and one side of the dosing sedimentation tank 1 is Filter cartridge 21 is installed, and the inside of photocatalytic pool 2 is provided with In2Ti05 nano-belt 10, and In2Ti05 nano-belt 10 and photocatalytic pool 2 are limited by the slot, the bottom of photocatalytic pool 2 is equipped with aeration tube 23, and One end of the air pipe 23 extends to the outside of the photocatalytic pool 2, and the interior of the adsorption filter pool 3 is provided with a crushed stone layer 14, a pebble layer 25 and a slag layer 26 in sequence from top to bottom, and the lower end of the adsorption filter pool 3 is provided with activated carbon. Layer 27, the lower end of one side of the adsorption filter tank 3 is provided with a drain port 15.

Further, a first connecting pipe 7 is provided between the dosing sedimentation tank 1 and the photocatalytic tank 2, and one end of the first connecting pipe 7 extends to the inside of the filter cartridge 21, and a pump is installed in the middle of the first connecting pipe 7 8. The outer wall of the filter cartridge 21 is wrapped with a reverse osmosis membrane 22, and the reverse osmosis membrane 22 is composed of cross-linked aromatic polyamide, polysulfone and polyester non-woven fabric, and the polysulfone can be used for preliminary detection of microorganisms in water. Degradation can effectively improve the overall antibiotic degradation efficiency. In terms of cleaning, it is only necessary to turn on the pump in reverse to flush the external water into the inside of the filter cartridge to clean the reverse osmosis membrane, and the practicability is effectively improved.

Further, the upper end of the dosing sedimentation tank 1 is fixedly provided with a first fixed plate 4, a first motor 5 is installed at the middle position of the upper end surface of the first fixed plate 4, and a rotating shaft 17 is installed on the output shaft of the first motor 5, and The rotating shaft 17 extends to the inside of the dosing sedimentation tank 1, and the lower end of the rotating shaft 17 is fixedly equipped with a stirring blade 18, and the first motor 5 drives the stirring blade 18 to rotate, so that the medicine is quickly mixed with the waste water.

Further, the inner wall of the dosing sedimentation tank 1 is provided with a scraper 6, and there are several scrapers 6, and the scraper 6 is arranged equidistantly in sequence, and the inside of the scraper 6 is fixedly provided with a dividing strip 20, which is connected with the scraper. A gap is formed between the plates 6, and when the rotating waste water contacts the scraper 6, flocculation is generated due to the impact, thereby forming complex movements inside the dosing sedimentation tank 1, and accelerating the rapid fusion with the medicine.

Further, the upper end of the photocatalytic pool 2 is fixedly provided with a second fixed plate 9, and there are two second fixed plates 9, and the lower end of the second fixed plate 9 is equipped with a high-pressure pump lamp 24, and the high-pressure pump lamp 24 is located at In2Ti05 Above the nanobelt 10, the In2Ti05 nanobelt 10 has a larger specific surface area, which makes the degradation effect on antibiotics particularly obvious, and further improves the treatment efficiency of antibiotics in wastewater.

Further, the upper end of the adsorption filter pool 3 is provided with a third fixed plate 28, the middle position of the third fixed plate 28 is provided with a drive box 12, and a second connecting pipe 11 is provided between the photocatalytic pool 2 and the adsorption filter pool 3, A water pump is installed at the middle position of the second connecting pipe 11 .

Further, the inside of drive box 12 is fixedly installed with second motor 30, and one side of second motor 30 is provided with transmission shaft 29, and transmission shaft 29 and the 3rd fixed plate 28 rotate and cooperate, and the output end of second motor 30 and transmission The shaft 29 is driven and matched by the transmission belt 31, and one end of the second connecting pipe 11 is rotatably matched with the transmission shaft 29. The lower end of the transmission shaft 29 is fixedly equipped with a water distribution pipe 13, and the lower end of the water distribution pipe 13 is provided with five symmetrically distributed nozzles. Under the action of the water, the water body is distributed in a scattering shape, which can evenly cover the surface of the gravel layer, thereby improving the adsorption efficiency.

Further, a water distribution plate 32 is arranged between the slag layer 26 and the activated carbon layer 27, and the water distribution plate 32 and the adsorption filter tank 3 are fixed by bolts, and the inside of the water distribution plate 32 is provided with a number of equidistantly distributed grooves 33. Flow pipes 34 are arranged at the bottom of the tanks 33, so that the water body can evenly enter the activated carbon layer 27 to realize filtration, and the practicability is further improved.

Working principle: When in use, the staff in the dosing sedimentation tank 1 can give priority to adjusting the pH value of the wastewater, and then turn on the first motor 5 after dosing, and its output shaft drives the stirring blade 18 to rotate, forming a rapid mixing of wastewater and chemicals, mixing After the set time, the waste water is left to stand, and under the action of the chemical, the harmful substances in the waste water are gradually separated from the waste water to form flocs, which accumulate and precipitate on the inclined wall 19, and then under the action of the pump 8, the waste water will pass through The flocculation-sedimented wastewater is transported to the photocatalytic pool 2, and during the process of pumping out the water in the dosing sedimentation tank 1, a negative pressure is formed inside the filter cartridge 21, and the external water is gradually sucked into the interior through the reverse osmosis membrane 22, and the reverse osmosis In the process of the membrane 22, not only can the impurities in the water be combined, and the flocs can be prevented from entering the photocatalytic pool 2 through the first connecting pipe 7. Cooperate with each other to form a rapid degradation of antibiotics in wastewater, and finally transport the photocatalyzed and aerated water body to the adsorption filter pool 3, and a biological filter bed is arranged inside the adsorption filter pool 3, and the biological filter bed is composed of a crushed stone layer 14, a pebble layer 25. The slag layer 26 and the activated carbon layer 27 are composed of a large specific surface area, which is conducive to the rapid growth of microorganisms, and the use of microorganisms to degrade harmful substances such as antibiotics in the wastewater, which is environmentally friendly and efficient, and finally the clean water filtered by activated carbon Discharge through drain 15.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (8)

1. A sewage treatment tank with the function of degrading antibiotics, including a dosing sedimentation tank (1), characterized in that: a photocatalytic pool (2) is arranged on one side of the dosing sedimentation tank (1), and the photocatalytic tank (2) One side of the catalytic pool (2) is provided with an adsorption filter tank (3), the bottom of the dosing sedimentation tank (1) is provided with an inclined wall (19), and one side of the bottom of the dosing sedimentation tank (1) is set There is a sewage outlet (16), a filter cartridge (21) is installed on one side of the dosing sedimentation tank (1), and an In2Ti05 nanobelt (10) is installed inside the photocatalytic pool (2), and the In2Ti05 nano The belt (10) and the photocatalytic pool (2) are limited by the slot, the bottom of the photocatalytic pool (2) is equipped with an aeration tube (23), and one end of the aeration tube (23) extends to the photocatalytic pool (2), the interior of the adsorption filter (3) is provided with a gravel layer (14), a pebble layer (25) and a slag layer (26) in sequence from top to bottom, and the adsorption filter (3) An activated carbon layer (27) is arranged at the lower end of the interior, and a drain port (15) is arranged at the lower end of one side of the adsorption filter tank (3). 2. A sewage treatment tank with the function of degrading antibiotics according to claim 1, characterized in that: a first connecting pipe (7) is arranged between the dosing sedimentation tank (1) and the photocatalytic tank (2) , and one end of the first connecting pipe (7) extends to the inside of the filter cartridge (21), a pump (8) is installed in the middle of the first connecting pipe (7), and the filter cartridge (21) A reverse osmosis membrane (22) is wound on the outer wall, and the reverse osmosis membrane (22) is compounded by cross-linked aromatic polyamide, polysulfone and polyester non-woven fabric. 3. A sewage treatment tank with the function of degrading antibiotics according to claim 1, characterized in that: the upper end of the dosing sedimentation tank (1) is fixedly provided with a first fixing plate (4), and the first The first motor (5) is installed in the middle of the upper end surface of the fixed plate (4), and the output shaft of the first motor (5) is equipped with a rotating shaft (17), and the rotating shaft (17) extends to the dosing and sedimentation Inside the pool (1), a stirring blade (18) is fixedly installed at the lower end of the rotating shaft (17). 4. A sewage treatment tank with the function of degrading antibiotics according to claim 3, characterized in that: the inner wall of the dosing sedimentation tank (1) is provided with a scraper (6), and the scraper (6) is set There are several, and the scrapers (6) are arranged equidistantly in sequence, and the inside of the scraper (6) is fixed with a partition (20), and a gap is formed between the partition (20) and the scraper (6) . 5. A sewage treatment pool with the function of degrading antibiotics according to claim 1, characterized in that: the upper end of the photocatalytic pool (2) is fixedly provided with a second fixing plate (9), and the second fixing plate (9) There are two sets, and the lower end of the second fixing plate (9) is equipped with a high-pressure pump lamp (24), and the high-pressure pump lamp (24) is located above the In2Ti05 nanobelt (10). 6. A sewage treatment tank with the function of degrading antibiotics according to claim 1, characterized in that: the upper end of the adsorption filter tank (3) is provided with a third fixed plate (28), and the third fixed plate A driving box (12) is arranged at the middle position of (28), and a second connecting pipe (11) is arranged between the photocatalytic pool (2) and the adsorption filter pool (3), and the second connecting pipe (11 ) A water pump is installed at the middle position. 7. A sewage treatment pool with the function of degrading antibiotics according to claim 6, characterized in that: a second motor (30) is fixedly installed inside the drive box (12), and the second motor (30 ) is provided with a transmission shaft (29) on one side, the transmission shaft (29) is in rotation with the third fixed plate (28), and the output end of the second motor (30) and the transmission shaft (29) are driven through the transmission belt (31) Cooperate, one end of the second connecting pipe (11) rotates with the transmission shaft (29), the lower end of the transmission shaft (29) is fixedly installed with a water distribution pipe (13), and the lower end of the water distribution pipe (13) is set There are five symmetrically distributed nozzles. 8. A sewage treatment tank with the function of degrading antibiotics according to claim 1, characterized in that: a water distribution board (32) is arranged between the slag layer (26) and the activated carbon layer (27), and the cloth The water plate (32) and the adsorption filter tank (3) are fixed by bolts, and the inside of the water distribution plate (32) is provided with several equidistantly distributed grooves (33), and the bottoms of the grooves (33) are all set There are flow tubes (34).

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