Sewage purification tank

Abstract

The utility model discloses a sewage purification tank which comprises a base, a sedimentation tank is mounted at the top of the base, a supporting plate is fixed in the sedimentation tank, a purification tank mechanism is fixed at the top of the supporting plate, and a mud pump is mounted at the inner bottom of the sedimentation tank. Compared with the prior art, the sewage treatment device disclosed by the utility model has the advantages that the sewage is purified by arranging the purification tank mechanism, the raw sewage and phosphorus-containing return sludge discharged from the sedimentation tank synchronously enter the anaerobic treatment box, phosphorus in the sewage can be released, part of organic matters are ammoniated, and then the sewage enters the anoxic treatment box for denitrification; the sewage flows into the anaerobic treatment tank, then enters the aerobic reaction tank to remove BOD, is subjected to treatment such as nitrification and phosphorus absorption of the sewage and finally flows into the sedimentation tank to be subjected to sludge-water separation, sludge flows back to the anaerobic treatment tank, supernatant liquid is discharged as treated water, and the device is simple in structure, can remove elements such as nitrogen and phosphorus in the sewage and is very convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage purification, in particular to a sewage purification tank. Background Art

[0002] Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, catering, etc., and is increasingly entering the daily lives of ordinary people.

[0003] The traditional sewage purification tank has a simple structure and only uses filtration to simply treat sewage. Elements such as nitrogen and phosphorus in the sewage enter the water system with the sewage, which can easily cause pollution. There are certain shortcomings in its use. For this reason, we propose a sewage purification tank. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sewage purification tank.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sewage purification tank comprises a base, a sedimentation tank is installed on the top of the base, a support plate is fixed inside the sedimentation tank, a purification tank mechanism is fixed on the top of the support plate, a mud pump is installed on the inner bottom of the sedimentation tank, a mud delivery pipe is installed on the side of the mud pump, the mud delivery pipe passes through the sedimentation tank and is connected with a tee, a liquid inlet pipe and a fourth connecting pipe are respectively installed on both sides of the tee, the fourth connecting pipe is inserted into the interior of the purification tank mechanism, a fifth liquid pump is installed on the inner wall of the sedimentation tank, a second liquid discharge pipe is installed on the side of the fifth liquid pump, and the second liquid discharge pipe runs through the side of the sedimentation tank.

[0007] Preferably, the septic tank mechanism comprises an anaerobic treatment box, an anoxic treatment box and an aerobic treatment box fixed on a support plate, and a stirring mechanism is installed on the top of the anaerobic treatment box, the anoxic treatment box and the aerobic treatment box.

[0008] Preferably, a first vacuum pump is installed on the side of the anaerobic treatment box, a first liquid pump is installed inside the anaerobic treatment box, a first connecting pipe is installed on the top of the first liquid pump, the first connecting pipe is inserted into the interior of the anoxic treatment box, and the fourth connecting pipe is inserted into the interior of the anaerobic treatment box.

[0009] Preferably, a second air pump and an exhaust pipe are installed on the side of the anoxic treatment box, a second liquid pump is installed inside the anoxic treatment box, a second connecting pipe is installed on the top of the second liquid pump, and the second connecting pipe is inserted into the interior of the aerobic treatment box.

[0010] Preferably, an air inlet pipe is installed on the side of the aerobic treatment box, the air inlet pipe is inserted into the interior of the aerobic treatment box and is connected to an aeration plate, a third liquid pump and a fourth liquid pump are installed inside the aerobic treatment box, a third connecting pipe is installed on the side of the third liquid pump, the third connecting pipe is inserted into the interior of the anoxic treatment box, a first liquid discharge pipe is installed on the side of the fourth liquid pump, and a plastic ball is provided inside the aerobic treatment box.

[0011] Preferably, the stirring mechanism comprises a cover plate, a motor is mounted on the top of the cover plate, an output shaft of the motor passes through the cover plate and is connected to a rotating shaft, a fixed sleeve is fixedly sleeved on the rotating shaft, and stirring blades are fixed on the side of the fixed sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model purifies sewage by setting a purification tank mechanism. The original sewage and the phosphorus-containing return sludge discharged from the sedimentation tank enter the anaerobic treatment box synchronously, which can release the phosphorus in the sewage and ammonify part of the organic matter. Then the sewage enters the anoxic treatment box for denitrification, and then enters the aerobic reaction box to remove BOD, and performs sewage nitrification and phosphorus absorption and other treatments. Finally, the sewage flows into the sedimentation tank for mud and water separation, and the sludge flows back to the anaerobic treatment box. The upper clear liquid is discharged as treated water. The device has a simple structure, can remove nitrogen, phosphorus and other elements in the sewage, and is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a sewage purification tank proposed by the utility model;

[0015] Figure 2 for Figure 1 A top cross-sectional view of

[0016] Figure 3 for Figure 1 Cross-sectional view of the stirring mechanism.

[0017] In the figure: 1 base, 2 sedimentation tank, 3 support plate, 4 purification tank mechanism, 401 anaerobic treatment box, 402 anoxic treatment box, 403 aerobic treatment box, 404 first air pump, 405 first liquid pump, 406 first connecting pipe, 407 second air pump, 408 exhaust pipe, 409 second liquid pump, 410 second connecting pipe, 411 third liquid pump, 412 third connecting pipe, 413 air inlet pipe, 414 aeration plate, 415 fourth liquid pump, 416 first liquid discharge pipe, 417 plastic ball, 5 stirring mechanism, 501 cover plate, 502 motor, 503 rotating shaft, 504 fixed sleeve, 505 stirring blade, 6 mud pump, 7 mud delivery pipe, 8 tee, 9 liquid inlet pipe, 10 fourth connecting pipe, 11 fifth liquid pump, 12 second liquid discharge pipe. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3 A sewage purification tank comprises a base 1, a sedimentation tank 2 is installed on the top of the base 1, a support plate 3 is fixed inside the sedimentation tank 2, a purification tank mechanism 4 is fixed on the top of the support plate 3, a mud pump 6 is installed at the inner bottom of the sedimentation tank 2, a mud delivery pipe 7 is installed on the side of the mud pump 6, the mud delivery pipe 7 passes through the sedimentation tank 2 and is connected with a tee 8, a liquid inlet pipe 9 and a fourth connecting pipe 10 are respectively installed on both sides of the tee 8, the fourth connecting pipe 10 is inserted into the interior of the purification tank mechanism 4, a fifth liquid pump 11 is installed on the inner wall of the sedimentation tank 2, a second liquid discharge pipe 12 is installed on the side of the fifth liquid pump 11, and the second liquid discharge pipe 12 passes through the side of the sedimentation tank 2.

[0020] As an embodiment: the purification tank mechanism 4 includes an anaerobic treatment box 401, an anoxic treatment box 402 and an aerobic treatment box 403 fixed on the support plate 3, and the tops of the anaerobic treatment box 401, the anoxic treatment box 402 and the aerobic treatment box 403 are all installed with a stirring mechanism 5, a first air pump 404 is installed on the side of the anaerobic treatment box 401, a first liquid pump 405 is installed inside the anaerobic treatment box 401, a first connecting pipe 406 is installed on the top of the first liquid pump 405, the first connecting pipe 406 is inserted into the inside of the anoxic treatment box 402, and the fourth connecting pipe 10 is inserted into the inside of the anaerobic treatment box 401, a second air pump 407 and an exhaust pipe 408 are installed on the side of the anoxic treatment box 402, a second liquid pump 409 is installed inside the anoxic treatment box 402, a second connecting pipe 410 is installed on the top of the second liquid pump 409, and the second connecting The tube 410 is inserted into the interior of the aerobic treatment box 403, and an air inlet pipe 413 is installed on the side of the aerobic treatment box 403. The air inlet pipe 413 is inserted into the interior of the aerobic treatment box 403 and is connected to an aeration plate 414. A third liquid pump 411 and a fourth liquid pump 415 are installed in the aerobic treatment box 403. A third connecting pipe 412 is installed on the side of the third liquid pump 411. The third connecting pipe 412 is inserted into the interior of the anoxic treatment box 402. A first liquid discharge pipe 416 is installed on the side of the fourth liquid pump 415. A plastic ball 417 is arranged in the interior of the aerobic treatment box 403. The stirring mechanism 5 includes a cover plate 501, and a motor 502 is installed on the top of the cover plate 501. The output shaft of the motor 502 passes through the cover plate 501 and is connected to the rotating shaft 503. A fixed sleeve 504 is fixedly sleeved on the rotating shaft 503, and a stirring blade 505 is fixed on the side of the fixed sleeve 504.

[0021] By setting up a purification tank mechanism to purify sewage, the original sewage and the phosphorus-containing return sludge discharged from the sedimentation tank enter the anaerobic treatment box simultaneously, which can release the phosphorus in the sewage and ammonify some organic matter, and then enter the anoxic treatment box for denitrification, and then enter the aerobic reaction box to remove BOD, and nitrify the sewage and absorb phosphorus, etc., and finally flow into the sedimentation tank for mud and water separation, and the sludge is returned to the anaerobic treatment box, and the upper clear liquid is discharged as treated water. The device has a simple structure, can remove nitrogen, phosphorus and other elements in sewage, and is very convenient to use.

[0022] When in use, the device is connected to a power source, the first air pump 404 and the second air pump 407 are started, the oxygen content in the anaerobic treatment box 401 and the anoxic treatment box 402 is controlled and maintained by the first air pump 404 and the second air pump 407, the motor 502 is started, the output shaft of the motor 502 drives the rotating shaft 503 to rotate, and the rotating shaft 503 drives the stirring blade 505 to rotate through the fixing sleeve 504;

[0023] The raw sewage enters the anaerobic treatment box 401 through the liquid inlet pipe 9, the three-way pipe 8 and the fourth connecting pipe 10, releases phosphorus in the anaerobic treatment box 401, and is aminated. The first liquid pump 405 is started, and the sewage enters the anoxic treatment box 402 through the first connecting pipe 406. In the anoxic treatment box 402, the second liquid pump 409 is started, and the aminated sewage enters the aerobic treatment box 403 through the second connecting pipe 410. At this time, oxygen is introduced through the air inlet pipe 413, and the oxygen is aerated through the aeration plate 414 and fully dispersed in the aminated sewage, so that the sewage is nitrified and absorbs phosphorus. Then the third liquid pump 411 is started, and the third liquid pump 411 returns to the anoxic treatment box 402 through the third connecting pipe 412, and the nitrate Nitrogen is transported to the anoxic treatment box 402 to denitrify the sewage, and the nitrogen is discharged through the exhaust pipe 408. The denitrified sewage is then returned to the aerobic treatment box 403 through the second liquid pump 409 and the second connecting rod 410. The fourth liquid pump 415 is started, and the fourth liquid pump 415 discharges the sewage into the sedimentation tank 2 through the first discharge pipe 416. After a period of sedimentation, the mud pump 6 and the fifth liquid pump 11 are started. The mud pump 6 transports the phosphorus-containing sludge to the anaerobic treatment box 401 through the mud delivery pipe 7, the tee 8 and the fourth connecting pipe 10, so that the phosphorus-containing sludge assists the original sewage in releasing phosphorus and ammoniation, thereby forming a cycle. The upper clear liquid of the sedimentation tank 2 is discharged through the fifth liquid pump 11 and the second discharge pipe 12.

[0024] To sum up, compared with the prior art, the utility model purifies sewage by setting a purification tank mechanism, and the original sewage and the phosphorus-containing return sludge discharged from the sedimentation tank enter the anaerobic treatment box simultaneously, which can release the phosphorus in the sewage and ammonify part of the organic matter, and then enter the anoxic treatment box for denitrification, and then enter the aerobic reaction box to remove BOD, and perform sewage nitrification and phosphorus absorption and other treatments, and finally flow into the sedimentation tank for mud and water separation, and the sludge is returned to the anaerobic treatment box, and the upper clear liquid is discharged as treated water. The device has a simple structure, can remove nitrogen, phosphorus and other elements in sewage, and is very convenient to use.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sewage purification tank, comprising a base (1), characterized in that: A sedimentation tank (2) is installed on the top of the base (1), a support plate (3) is fixed inside the sedimentation tank (2), a purification tank mechanism (4) is fixed on the top of the support plate (3), a mud pump (6) is installed on the inner bottom of the sedimentation tank (2), a mud delivery pipe (7) is installed on the side of the mud pump (6), the mud delivery pipe (7) passes through the sedimentation tank (2) and is connected to a tee (8), a liquid inlet pipe (9) and a fourth connecting pipe (10) are respectively installed on both sides of the tee (8), the fourth connecting pipe (10) is inserted into the interior of the purification tank mechanism (4), a fifth liquid pump (11) is installed on the inner wall of the sedimentation tank (2), a second liquid discharge pipe (12) is installed on the side of the fifth liquid pump (11), and the second liquid discharge pipe (12) passes through the side of the sedimentation tank (2).

2. A sewage purification tank according to claim 1, characterized in that: The purification tank mechanism (4) comprises an anaerobic treatment box (401), an anoxic treatment box (402) and an aerobic treatment box (403) fixed on a support plate (3), and a stirring mechanism (5) is installed on the top of each of the anaerobic treatment box (401), the anoxic treatment box (402) and the aerobic treatment box (403).

3. A sewage purification tank according to claim 2, characterized in that: A first vacuum pump (404) is installed on the side of the anaerobic treatment box (401), a first liquid pump (405) is installed inside the anaerobic treatment box (401), a first connecting pipe (406) is installed on the top of the first liquid pump (405), the first connecting pipe (406) is inserted into the interior of the anoxic treatment box (402), and the fourth connecting pipe (10) is inserted into the interior of the anaerobic treatment box (401).

4. A sewage purification tank according to claim 2, characterized in that: A second air pump (407) and an exhaust pipe (408) are installed on the side of the anoxic treatment box (402), a second liquid pump (409) is installed inside the anoxic treatment box (402), a second connecting pipe (410) is installed on the top of the second liquid pump (409), and the second connecting pipe (410) is inserted into the interior of the aerobic treatment box (403).

5. A sewage purification tank according to claim 2, characterized in that: An air inlet pipe (413) is installed on the side of the aerobic treatment box (403), and the air inlet pipe (413) is inserted into the interior of the aerobic treatment box (403) and connected to an aeration plate (414). A third liquid pump (411) and a fourth liquid pump (415) are installed inside the aerobic treatment box (403). A third connecting pipe (412) is installed on the side of the third liquid pump (411), and the third connecting pipe (412) is inserted into the interior of the anoxic treatment box (402). A first liquid discharge pipe (416) is installed on the side of the fourth liquid pump (415). A plastic ball (417) is arranged inside the aerobic treatment box (403).

6. A sewage purification tank according to claim 2, characterized in that: The stirring mechanism (5) comprises a cover plate (501), a motor (502) is mounted on the top of the cover plate (501), an output shaft of the motor (502) passes through the cover plate (501) and is connected to a rotating shaft (503), a fixed sleeve (504) is fixedly sleeved on the rotating shaft (503), and a stirring blade (505) is fixed on the side of the fixed sleeve (504).

Images