CN113401999B - Automatic control equipment for sewage treatment and sewage precipitation method - Google Patents

Automatic control equipment for sewage treatment and sewage precipitation method Download PDF

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Publication number
CN113401999B
CN113401999B CN202110951899.5A CN202110951899A CN113401999B CN 113401999 B CN113401999 B CN 113401999B CN 202110951899 A CN202110951899 A CN 202110951899A CN 113401999 B CN113401999 B CN 113401999B
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pipe
sewage
box body
rotating shaft
electromagnetic valve
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CN113401999A (en
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李雁荣
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Hangzhou Yinsheng Technology Co.,Ltd.
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Hangzhou Yinsheng Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5209Regulation methods for flocculation or precipitation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention relates to the technical field of sewage treatment, in particular to automatic control equipment for sewage treatment, which comprises a platform, a sedimentation tank, a first box body, a clean water inlet pipe, a second box body and a sewage pump, wherein the first box body is arranged on the top of the platform; the circumferential surface of the inner wall of the sedimentation tank is provided with a spiral water guide pipe, and an inlet at the top of the spiral water guide pipe is connected with a sewage inlet pipe; a quantitative batching device is arranged on the first box body, and a feeding pipe is arranged at the bottom of the quantitative batching device; the clear water inlet pipe is arranged on the first box body; the second rotating shaft is rotatably arranged on the inner side of the bottom of the first box body, and a stirring rod is arranged on the second rotating shaft; the top of the second box body is communicated with the bottom of the first box body through a first connecting pipe, and the bottom of the second box body is communicated with the front part of the spiral water guide pipe through a second connecting pipe; the sewage pump is provided with a water pumping pipe and a sewage transfer pipe, and the water pumping pipe is connected with the sedimentation tank. In the invention, the flocculating agent is fully contacted with the sewage, large-scale stirring equipment is not required to be erected, and the cost of sewage treatment is reduced.

Description

Automatic control equipment for sewage treatment and sewage precipitation method
Technical Field
The invention relates to the technical field of sewage treatment, in particular to automatic control equipment for sewage treatment and a sewage precipitation method.
Background
The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment is also increasingly carried into daily life of common people, and is roughly divided into primary treatment, secondary treatment and tertiary treatment.
Disclosure of Invention
The invention aims to provide automatic control equipment for sewage treatment, aiming at the problem that the cost of sewage treatment is increased due to the stirring and erection of stirring equipment in a sedimentation tank in the background technology.
The invention also provides a sewage precipitation method of the equipment.
On one hand, the invention provides automatic control equipment for sewage treatment, which comprises a platform, a sedimentation tank, a first box body, a clean water inlet pipe, a second rotating shaft, a second box body and a sewage pump, wherein the first box body is arranged on the sedimentation tank;
the sedimentation tank is arranged on the platform, a spiral water guide pipe is arranged on the circumferential surface of the inner wall of the sedimentation tank, a sewage inlet pipe is connected with an inlet at the top of the spiral water guide pipe, and a first electromagnetic valve is arranged on the sewage inlet pipe; the first box body is arranged on the peripheral wall of the sedimentation tank, a partition plate is horizontally arranged on the inner wall of the first box body, a rotation control chamber and a stirring chamber which are positioned above and below the partition plate are formed in the first box body, a quantitative dosing device for quantitatively dosing a flocculating agent is arranged on the first box body, a feeding pipe is arranged at the bottom of the quantitative dosing device, penetrates through the partition plate and extends into the stirring chamber, and a third electromagnetic valve is arranged on the feeding pipe; the clean water inlet pipe is arranged on the first box body, the bottom of the clean water inlet pipe penetrates through the partition plate, and a second electromagnetic valve is arranged on the clean water inlet pipe; the second rotating shaft is vertical and is rotatably arranged on the inner side of the bottom of the first box body, the top of the second rotating shaft penetrates through the partition plate and extends into the rotating control chamber, the second rotating shaft is provided with a stirring rod, the stirring rod is positioned in the stirring chamber, and a rotating assembly for driving the second rotating shaft to rotate is arranged in the rotating control chamber; the second box body is arranged at the bottom of the first box body, the top of the second box body is communicated with the bottom of the first box body through a first connecting pipe, a fourth electromagnetic valve is arranged on the first connecting pipe, the bottom of the second box body is communicated with the spiral water guide pipe through a second connecting pipe, and a fifth electromagnetic valve is arranged at the water outlet end of the second connecting pipe; the sewage pump is arranged on the platform, a water inlet end and a water outlet end of the sewage pump are respectively provided with a water pumping pipe and a sewage transfer pipe, and the water pumping pipe is connected with the sedimentation tank; the platform is provided with a control system.
Preferably, the water heater also comprises a first water outlet pipe and a second water outlet pipe; the first water outlet pipe is an arc-shaped pipe and is horizontally arranged at the water outlet end at the bottom of the spiral water guide pipe; the second outlet pipe is an arc-shaped pipe, the water inlet end of the second outlet pipe is inserted into the first outlet pipe in a matching mode, the second outlet pipe is connected with the first outlet pipe in a sliding mode, and a power assembly for driving the second outlet pipe to stretch out and retract on the inner peripheral wall of the first outlet pipe is arranged on the sedimentation tank.
Preferably, the rotating assembly comprises a first rotating shaft, a first bevel gear and a second bevel gear; the first rotating shaft is rotatably arranged on the inner wall of the first box body, and the part of the first rotating shaft inserted into the spiral water guide pipe is provided with a paddle; the first bevel gear is arranged on the first rotating shaft and is positioned in the rotating control chamber; the second bevel gear is arranged on the second rotating shaft and meshed with the first bevel gear.
Preferably, the pumping pipe terminal surface seals and with the interior global laminating of sedimentation tank, sets up the multiunit inlet opening on the pumping pipe terminal surface.
Preferably, the stirring rods are arranged in a plurality of groups side by side on the second rotating shaft.
Preferably, the power assembly comprises a first supporting plate, a supporting rod, an arc-shaped gear ring, a second supporting plate, a mounting seat, a gear, a third supporting plate and a fourth supporting plate; the first supporting plate is arranged on the outer peripheral wall of the second water outlet pipe; the supporting rod is vertically arranged on the first supporting plate; the arc-shaped gear ring is rotationally arranged on the peripheral wall of the sedimentation tank, and the tooth surface of the arc-shaped gear ring faces outwards; the second supporting plate is arranged on the inner peripheral wall of the arc-shaped gear ring, is positioned above the sedimentation tank and is connected with the supporting rod; the mounting seat is arranged on the peripheral wall of the sedimentation tank, the power device is arranged on the mounting seat, and the power device is provided with a third rotating shaft in a transmission way; the gear is arranged on the third rotating shaft and is meshed with the arc-shaped gear ring; the third supporting plate and the fourth supporting plate are arranged on the peripheral wall of the sedimentation tank, the third supporting plate and the fourth supporting plate are located on two sides of the arc-shaped gear ring respectively, a first pressure sensor and a second pressure sensor are arranged on the end faces, facing the arc-shaped gear ring, of the third supporting plate and the fourth supporting plate respectively, the first pressure sensor and the second pressure sensor are connected with the control system in a signal transmission mode, and the control system is connected with the power device in a control mode.
Preferably, the first rotating shaft speed is lower than the second rotating shaft speed.
On the other hand, the invention provides a sewage precipitation method of the automatic sewage treatment control equipment, which comprises the following steps: s1, opening a first electromagnetic valve, enabling sewage to enter the spiral water guide pipe from the sewage inlet pipe, synchronously opening a fifth electromagnetic valve, enabling a flocculating agent liquid to enter the spiral water guide pipe through a second connecting pipe at a constant speed to be combined with the sewage, starting a power device to drive a second water outlet pipe to move back and forth, and changing the position of a sewage outlet; s2, driving the first rotating shaft to rotate by the sewage through the blades, and driving the second rotating shaft to rotate through the first bevel gear and the second bevel gear, so as to drive the stirring rod to rotate; s3, opening the second electromagnetic valve and the third electromagnetic valve, introducing quantitative flocculating agent and quantitative clear water into the stirring chamber, stirring by the stirring rod, and then closing the second electromagnetic valve and the third electromagnetic valve; s4, closing the first electromagnetic valve and the fifth electromagnetic valve, precipitating the sewage in the precipitation tank, then opening the fourth electromagnetic valve, enabling the stirred flocculant liquid to enter the second box body, and then closing the fourth electromagnetic valve; s5, starting a sewage pump, pumping out the precipitated high-water-level sewage, then closing the sewage pump, and periodically cleaning sludge at the bottom of the sedimentation tank; s6, repeating S1-S5.
Compared with the prior art, the invention has the following beneficial technical effects: the first electromagnetic valve is opened, sewage enters the spiral water guide pipe from the sewage inlet pipe, the fifth electromagnetic valve is synchronously opened, flocculant liquid enters the spiral water guide pipe through the second connecting pipe at a constant speed to be combined with the sewage, the power device is started to drive the second water outlet pipe to move back and forth, the position of the sewage outlet is changed, the rotating assembly drives the stirring rod to rotate, the second electromagnetic valve and the third electromagnetic valve are opened, and quantitative flocculant and quantitative clean water are introduced into the stirring chamber, stirring by a stirring rod, then closing the second electromagnetic valve and the third electromagnetic valve, closing the first electromagnetic valve and the fifth electromagnetic valve, settling the sewage in a settling pond, then the fourth solenoid valve is opened, the stirred flocculant liquid enters the second box body, then the fourth solenoid valve is closed, the sewage pump is started to pump out the high-water-level sewage after precipitation, then the sewage pump is closed, and the sludge at the bottom of the sedimentation tank is cleaned regularly. To sum up, the flocculating agent liquid enters into the spiral aqueduct through the second connecting pipe at the uniform velocity and is converged with sewage, the contact area of the flocculating agent and the sewage is greatly improved, and the flocculating agent and the sewage are descended along with the continuous rotation of the sewage in the spiral aqueduct, the flocculating agent is further fused with the sewage, meanwhile, the second outlet pipe moves back and forth, the position of a sewage outlet is continuously changed, the sewage stirs the water in the sedimentation tank, the stirring effect is achieved, the uniformity of the flocculating agent is further improved, large-scale stirring equipment does not need to be erected, and the cost of sewage treatment is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a top cross-sectional view of FIG. 1;
fig. 5 is an enlarged schematic view of a portion a of fig. 2.
Reference numerals: 1. a platform; 2. a sedimentation tank; 3. a spiral aqueduct; 4. a sewage inlet pipe; 5. a first solenoid valve; 6. a first case; 7. a partition plate; 8. a clear water inlet pipe; 9. a second solenoid valve; 10. a dosing device; 11. a feed pipe; 12. a third electromagnetic valve; 13. a first rotating shaft; 14. a first bevel gear; 15. a second rotating shaft; 16. a second bevel gear; 17. a stirring rod; 18. a second box body; 19. a first connecting pipe; 20. a fourth solenoid valve; 21. a second connecting pipe; 22. a fifth solenoid valve; 23. a sewage pump; 24. a water pumping pipe; 25. a sewage transfer pipe; 26. a first water outlet pipe; 27. a second water outlet pipe; 28. a first support plate; 29. a support bar; 30. an arc-shaped gear ring; 31. a second support plate; 32. a mounting seat; 33. a third rotating shaft; 34. a gear; 35. a third support plate; 36. a first pressure sensor; 37. a fourth support plate; 38. a second pressure sensor.
Detailed Description
Example one
As shown in fig. 1-5, the automatic control device for sewage treatment provided by the present invention comprises a platform 1, a sedimentation tank 2, a first box 6, a clean water inlet pipe 8, a second rotating shaft 15, a second box 18 and a sewage pump 23;
the sedimentation tank 2 is arranged on the platform 1, the circumferential surface of the inner wall of the sedimentation tank 2 is provided with a spiral water guide pipe 3, the inlet at the top of the spiral water guide pipe 3 is connected with a sewage inlet pipe 4, and the sewage inlet pipe 4 is provided with a first electromagnetic valve 5; the first box body 6 is arranged on the peripheral wall of the sedimentation tank 2, a partition plate 7 is horizontally arranged on the inner wall of the first box body 6, a rotation control chamber and a stirring chamber which are positioned above and below the partition plate 7 are formed in the first box body 6, a quantitative dosing device 10 for quantitatively dosing a flocculating agent is arranged on the first box body 6, a feeding pipe 11 is arranged at the bottom of the quantitative dosing device 10, the feeding pipe 11 penetrates through the partition plate 7 and extends into the stirring chamber, and a third electromagnetic valve 12 is arranged on the feeding pipe 11; the clear water inlet pipe 8 is arranged on the first box body 6, the bottom of the clear water inlet pipe 8 penetrates through the partition plate 7, and the clear water inlet pipe 8 is provided with a second electromagnetic valve 9; the second rotating shaft 15 is vertically and rotatably arranged on the inner side of the bottom of the first box body 6, the top of the second rotating shaft 15 penetrates through the partition plate 7 and extends into the rotating control chamber, the stirring rod 17 is arranged on the second rotating shaft 15, the stirring rod 17 is positioned in the stirring chamber, and a rotating assembly for driving the second rotating shaft 15 to rotate is arranged in the rotating control chamber; the second box body 18 is arranged at the bottom of the first box body 6, the top of the second box body 18 is communicated with the bottom of the first box body 6 through a first connecting pipe 19, a fourth electromagnetic valve 20 is arranged on the first connecting pipe 19, the bottom of the second box body 18 is communicated with the front of the spiral water guide pipe 3 through a second connecting pipe 21, and a fifth electromagnetic valve 22 is arranged at the water outlet end of the second connecting pipe 21; the sewage pump 23 is arranged on the platform 1, a water inlet end and a water outlet end of the sewage pump 23 are respectively provided with a water pumping pipe 24 and a sewage transfer pipe 25, and the water pumping pipe 24 is connected with the sedimentation tank 2; the platform 1 is provided with a control system which is in control connection with the first electromagnetic valve 5, the second electromagnetic valve 9, the third electromagnetic valve 12, the fourth electromagnetic valve 20, the fifth electromagnetic valve 22, the dosing device and the sewage pump 23, and a timing module is arranged in the control system.
The working principle of the embodiment is as follows: the first electromagnetic valve 5 is opened, sewage enters the spiral water guide pipe 3 from the sewage inlet pipe 4, the fifth electromagnetic valve 22 is synchronously opened, flocculant liquid enters the spiral water guide pipe 3 through the second connecting pipe 21 at a constant speed to be combined with the sewage, the rotating assembly drives the stirring rod 17 to rotate, the second electromagnetic valve 9 and the third electromagnetic valve 12 are opened, quantitative flocculant and quantitative clean water are introduced into the stirring chamber, stirring is performed by the stirring rod 17, then the second electromagnetic valve 9 and the third electromagnetic valve 12 are closed, the first electromagnetic valve 5 and the fifth electromagnetic valve 22 are closed, the sewage is settled in the settling pond, then the fourth electromagnetic valve 20 is opened, the stirred flocculant liquid enters the second box body 18, then the fourth electromagnetic valve 20 is closed, the sewage pump 23 is started to pump out the settled high-level sewage, then the sewage pump 23 is closed, and the sludge at the bottom of the sedimentation tank 2 is cleaned regularly. In this embodiment, the flocculating agent liquid enters into spiral aqueduct 3 through second connecting pipe 21 at the uniform velocity and merges with sewage, has improved flocculating agent and sewage area of contact greatly, and along with sewage constantly rotates in spiral aqueduct 3 and descends, flocculating agent and sewage further merge, need not erect large-scale agitated vessel, have reduced sewage treatment's cost.
24 terminal surfaces of drinking-water pipe seal and with the laminating of 2 inner peripheral surfaces of sedimentation tank, set up the multiunit inlet opening on the terminal surface of drinking-water pipe 24, can play filterable effect, water in the sedimentation tank 2 is under the rotation effect, and the precipitate is more in 2 intermediate positions of sedimentation tank sedimentation, and drinking- water pipe 24 and 2 internal perisporium contacts of sedimentation tank, do not go out water at the intermediate position, can reduce and take out the precipitate.
The puddler 17 sets up the multiunit side by side on second axis of rotation 15, improves the stirring effect, makes the flocculating agent fully dissolve in the clear water.
Example two
As shown in fig. 4, compared with the first embodiment, the automatic control equipment for sewage treatment provided by the present invention further includes a first water outlet pipe 26 and a second water outlet pipe 27; the first water outlet pipe 26 is an arc-shaped pipe, and the first water outlet pipe 26 is horizontally arranged at the water outlet end of the bottom of the spiral water guide pipe 3; the second water outlet pipe 27 is an arc pipe, the water inlet end of the second water outlet pipe 27 is inserted into the first water outlet pipe 26 in a matching manner, the second water outlet pipe 27 is connected with the first water outlet pipe 26 in a sliding manner, and the sedimentation tank 2 is provided with a power assembly for driving the second water outlet pipe 27 to extend out and retract on the inner peripheral wall of the first water outlet pipe 26.
In this embodiment, the second outlet pipe 27 moves back and forth, constantly changes the position of the sewage outlet, and makes the sewage stir the water in the sedimentation tank 2, thereby playing a role in stirring and further improving the uniformity of the flocculating agent.
EXAMPLE III
As shown in fig. 5, compared with the first embodiment, the automatic control equipment for sewage treatment provided by the present invention includes a first rotating shaft 13, a first bevel gear 14 and a second bevel gear 16; the first rotating shaft 13 is rotatably arranged on the inner wall of the first box body 6, and the part of the first rotating shaft 13 inserted into the spiral water guide pipe 3 is provided with a paddle; a first bevel gear 14 is arranged on the first rotating shaft 13, and the first bevel gear 14 is positioned in the rotating control chamber; a second bevel gear 16 is provided on the second rotating shaft 15, and the second bevel gear 16 is engaged with the first bevel gear 14.
In this embodiment, sewage passes through the paddle and drives first axis of rotation 13 and rotate, does not need extra energy drive, reduces the energy resource consumption.
The rotating speed of the first rotating shaft 13 is less than that of the second rotating shaft 15, so that the stirring effect is improved.
Example four
Compared with the second embodiment, as shown in fig. 2-4, the automatic control equipment for sewage treatment provided by the invention comprises a power assembly, a first support plate 28, a support rod 29, an arc-shaped gear ring 30, a second support plate 31, a mounting seat 32, a gear 34, a third support plate 35 and a fourth support plate 37; the first supporting plate 28 is arranged on the outer peripheral wall of the second water outlet pipe 27; the support rod 29 is vertically arranged on the first support plate 28; the arc-shaped gear ring 30 is rotationally arranged on the outer peripheral wall of the sedimentation tank 2, and the tooth surface of the arc-shaped gear ring 30 faces outwards; the second supporting plate 31 is arranged on the inner peripheral wall of the arc-shaped gear ring 30, the second supporting plate 31 is positioned above the sedimentation tank 2, and the second supporting plate 31 is connected with the supporting rod 29; the mounting seat 32 is arranged on the outer peripheral wall of the sedimentation tank 2, a power device is arranged on the mounting seat 32, and a third rotating shaft 33 is arranged on the power device in a transmission way; a gear 34 is provided on the third rotating shaft 33, the gear 34 being engaged with the arcuate ring gear 30; the third supporting plate 35 and the fourth supporting plate 37 are arranged on the outer peripheral wall of the sedimentation tank 2, the third supporting plate 35 and the fourth supporting plate 37 are respectively located on two sides of the arc-shaped gear ring 30, the end faces, facing the arc-shaped gear ring 30, of the third supporting plate 35 and the fourth supporting plate 37 are respectively provided with a first pressure sensor 36 and a second pressure sensor 38, the first pressure sensor 36 and the second pressure sensor 38 are both in signal transmission connection with a control system, and the control system is in control connection with a power device.
In this embodiment, the power device drives the gear 34 to rotate through the third rotating shaft 33, and then drives the arc-shaped gear ring 30 to move, after the arc-shaped gear ring 30 moves to contact the end portion of the third supporting plate 35, the first pressure sensor 36 is extruded to generate a pressure signal and transmit the pressure signal to the control system, the control system controls the power device to rotate reversely, so that the arc-shaped gear ring 30 moves in the opposite direction, when the arc-shaped gear ring 30 contacts the fourth supporting plate 37, the second pressure sensor 38 is extruded to generate a pressure signal and transmit the pressure signal to the control system, the power device is controlled to rotate normally, and the operation is repeated in sequence, so that the second water outlet pipe 27 moves back and forth, the position of the sewage outlet is changed continuously, so that the sewage stirs the water in the sedimentation tank 2, and a stirring effect is achieved.
EXAMPLE five
Compared with the first embodiment, the second embodiment, the third embodiment or the fourth embodiment, the automatic control equipment for sewage treatment further provides a sewage precipitation method, which comprises the following steps:
s1, opening the first electromagnetic valve 5, enabling sewage to enter the spiral water guide pipe 3 from the sewage inlet pipe 4, synchronously opening the fifth electromagnetic valve 22, enabling a flocculating agent liquid to enter the spiral water guide pipe 3 through the second connecting pipe 21 at a constant speed to be combined with the sewage, starting the power device to drive the second water outlet pipe 27 to move back and forth, and changing the position of a sewage outlet;
s2, the sewage drives the first rotating shaft 13 to rotate through the blades, and then drives the second rotating shaft 15 to rotate through the first bevel gear 14 and the second bevel gear 16, so that the stirring rod 17 is driven to rotate;
s3, opening the second electromagnetic valve 9 and the third electromagnetic valve 12, introducing quantitative flocculating agent and quantitative clean water into the stirring chamber, stirring by the stirring rod 17, and then closing the second electromagnetic valve 9 and the third electromagnetic valve 12;
s4, the first electromagnetic valve 5 and the fifth electromagnetic valve 22 are closed, the sewage is precipitated in the sedimentation tank, then the fourth electromagnetic valve 20 is opened, the stirred flocculant liquid enters the second box body 18, and then the fourth electromagnetic valve 20 is closed;
s5, starting the sewage pump 23, pumping out the settled high-water-level sewage, then closing the sewage pump 23, and periodically cleaning the sludge at the bottom of the sedimentation tank 2;
s6, repeating S1-S5.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (6)

1. An automatic control device for sewage treatment is characterized by comprising a platform (1), a sedimentation tank (2), a first box body (6), a clear water inlet pipe (8), a second rotating shaft (15), a second box body (18) and a sewage pump (23);
the sedimentation tank (2) is arranged on the platform (1), the circumferential surface of the inner wall of the sedimentation tank (2) is provided with a spiral water guide pipe (3), the inlet at the top of the spiral water guide pipe (3) is connected with a sewage inlet pipe (4), and the sewage inlet pipe (4) is provided with a first electromagnetic valve (5); the first box body (6) is arranged on the peripheral wall of the sedimentation tank (2), a partition plate (7) is horizontally arranged on the inner wall of the first box body (6), a rotation control chamber and a stirring chamber which are positioned above and below the partition plate (7) are formed in the first box body (6), a quantitative dosing device (10) for quantitatively dosing a flocculating agent is arranged on the first box body (6), a feeding pipe (11) is arranged at the bottom of the quantitative dosing device (10), the feeding pipe (11) penetrates through the partition plate (7) and extends into the stirring chamber, and a third electromagnetic valve (12) is arranged on the feeding pipe (11); the clear water inlet pipe (8) is arranged on the first box body (6), the bottom of the clear water inlet pipe (8) penetrates through the partition plate (7), and the clear water inlet pipe (8) is provided with a second electromagnetic valve (9); the second rotating shaft (15) is vertically and rotatably arranged on the inner side of the bottom of the first box body (6), the top of the second rotating shaft (15) penetrates through the partition plate (7) and extends into the rotating control chamber, a stirring rod (17) is arranged on the second rotating shaft (15), the stirring rod (17) is located in the stirring chamber, and a rotating assembly for driving the second rotating shaft (15) to rotate is arranged in the rotating control chamber;
the second box body (18) is arranged at the bottom of the first box body (6), the top of the second box body (18) is communicated with the bottom of the first box body (6) through a first connecting pipe (19), a fourth electromagnetic valve (20) is arranged on the first connecting pipe (19), the bottom of the second box body (18) is communicated with the front of the spiral water guide pipe (3) through a second connecting pipe (21), and a fifth electromagnetic valve (22) is arranged at the water outlet end of the second connecting pipe (21); the sewage pump (23) is arranged on the platform (1), a water inlet end and a water outlet end of the sewage pump (23) are respectively provided with a water pumping pipe (24) and a sewage transfer pipe (25), and the water pumping pipe (24) is connected with the sedimentation tank (2); a control system is arranged on the platform (1);
the water heater also comprises a first water outlet pipe (26) and a second water outlet pipe (27); the first water outlet pipe (26) is an arc-shaped pipe, and the first water outlet pipe (26) is horizontally arranged at the water outlet end of the bottom of the spiral water guide pipe (3); the second water outlet pipe (27) is an arc-shaped pipe, the water inlet end of the second water outlet pipe (27) is inserted into the first water outlet pipe (26) in a matching mode, the second water outlet pipe (27) is connected with the first water outlet pipe (26) in a sliding mode, and a power assembly for driving the second water outlet pipe (27) to extend out of and retract into the inner peripheral wall of the first water outlet pipe (26) is arranged on the sedimentation tank (2);
the power assembly comprises a first support plate (28), a support rod (29), an arc-shaped gear ring (30), a second support plate (31), a mounting seat (32), a gear (34), a third support plate (35) and a fourth support plate (37); the first supporting plate (28) is arranged on the peripheral wall of the second water outlet pipe (27); the supporting rod (29) is vertically arranged on the first supporting plate (28); the arc-shaped gear ring (30) is rotationally arranged on the outer peripheral wall of the sedimentation tank (2), and the tooth surface of the arc-shaped gear ring (30) faces outwards; the second supporting plate (31) is arranged on the inner peripheral wall of the arc-shaped gear ring (30), the second supporting plate (31) is positioned above the sedimentation tank (2), and the second supporting plate (31) is connected with the supporting rod (29); the mounting seat (32) is arranged on the peripheral wall of the sedimentation tank (2), the power device is arranged on the mounting seat (32), and the power device is provided with a third rotating shaft (33) in a transmission way; a gear (34) is arranged on the third rotating shaft (33), and the gear (34) is meshed with the arc-shaped gear ring (30); third backup pad (35) and fourth backup pad (37) all set up on sedimentation tank (2) periphery wall, third backup pad (35) and fourth backup pad (37) are located arc ring gear (30) both sides respectively, third backup pad (35) and fourth backup pad (37) set up first pressure sensor (36) and second pressure sensor (38) respectively towards on the terminal surface of arc ring gear (30), first pressure sensor (36) and second pressure sensor (38) all are connected with control system signal transmission, control system and power device control connection.
2. The automated sewage treatment control device according to claim 1, wherein the rotating assembly comprises a first rotating shaft (13), a first bevel gear (14) and a second bevel gear (16); the first rotating shaft (13) is rotatably arranged on the inner wall of the first box body (6), and blades are arranged on the part of the first rotating shaft (13) inserted into the spiral water guide pipe (3); the first bevel gear (14) is arranged on the first rotating shaft (13), and the first bevel gear (14) is positioned in the rotating control chamber; a second bevel gear (16) is provided on the second rotating shaft (15), and the second bevel gear (16) is meshed with the first bevel gear (14).
3. The automatic control equipment for sewage treatment according to claim 2, wherein the end surface of the water pumping pipe (24) is closed and is attached to the inner circumferential surface of the sedimentation tank (2), and a plurality of groups of water inlet holes are arranged on the end surface of the water pumping pipe (24).
4. The automatic control equipment for sewage treatment according to claim 3, wherein a plurality of groups of the stirring rods (17) are arranged side by side on the second rotating shaft (15).
5. The automated control equipment for wastewater treatment according to claim 4, characterized in that the rotation speed of the first rotating shaft (13) is less than the rotation speed of the second rotating shaft (15).
6. A sewage sedimentation method of an automatic control apparatus for sewage treatment according to claim 5, comprising the steps of:
s1, opening a first electromagnetic valve (5), enabling sewage to enter the spiral water guide pipe (3) from the sewage inlet pipe (4), synchronously opening a fifth electromagnetic valve (22), enabling a flocculating agent liquid to enter the spiral water guide pipe (3) through a second connecting pipe (21) at a constant speed to be converged with the sewage, starting a power device to drive a second water outlet pipe (27) to move back and forth, and changing the position of a sewage outlet;
s2, the sewage drives the first rotating shaft (13) to rotate through the blades, and then the second rotating shaft (15) is driven to rotate through the first bevel gear (14) and the second bevel gear (16), so that the stirring rod (17) is driven to rotate;
s3, opening a second electromagnetic valve (9) and a third electromagnetic valve (12), introducing a certain amount of flocculating agent and a certain amount of clear water into the stirring chamber, stirring by a stirring rod (17), and then closing the second electromagnetic valve (9) and the third electromagnetic valve (12);
s4, the first electromagnetic valve (5) and the fifth electromagnetic valve (22) are closed, sewage is precipitated in the sedimentation tank, then the fourth electromagnetic valve (20) is opened, the stirred flocculant liquid enters the second box body (18), and then the fourth electromagnetic valve (20) is closed;
s5, starting a sewage pump (23), pumping out the settled high-water-level sewage, then closing the sewage pump (23), and periodically cleaning sludge at the bottom of the sedimentation tank (2);
s6, repeating S1-S5.
CN202110951899.5A 2021-08-19 2021-08-19 Automatic control equipment for sewage treatment and sewage precipitation method Active CN113401999B (en)

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CN114671539B (en) * 2021-11-29 2024-04-16 四川省兴欣钒科技有限公司 Wastewater recovery device for sulfur dioxide wastewater treatment and application method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005334846A (en) * 2004-05-31 2005-12-08 Kenichi Kawakami Method for treating sediment in reservoir
CN111573894A (en) * 2020-05-26 2020-08-25 重庆文理学院 Small-size sewage treatment plant
CN213506421U (en) * 2020-07-27 2021-06-22 宜兴市华平环保设备有限公司 Sewage treatment device with front-mounted precipitation mechanism
CN213680166U (en) * 2020-10-29 2021-07-13 广东闽桂建设有限公司 Municipal sewage treatment system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005334846A (en) * 2004-05-31 2005-12-08 Kenichi Kawakami Method for treating sediment in reservoir
CN111573894A (en) * 2020-05-26 2020-08-25 重庆文理学院 Small-size sewage treatment plant
CN213506421U (en) * 2020-07-27 2021-06-22 宜兴市华平环保设备有限公司 Sewage treatment device with front-mounted precipitation mechanism
CN213680166U (en) * 2020-10-29 2021-07-13 广东闽桂建设有限公司 Municipal sewage treatment system

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