CN212770334U - Integrated sewage treatment device - Google Patents
Integrated sewage treatment device Download PDFInfo
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- CN212770334U CN212770334U CN202021126788.8U CN202021126788U CN212770334U CN 212770334 U CN212770334 U CN 212770334U CN 202021126788 U CN202021126788 U CN 202021126788U CN 212770334 U CN212770334 U CN 212770334U
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Abstract
The utility model relates to a water treatment technical field especially relates to an integration sewage treatment plant. The utility model discloses an integrated sewage treatment device, a grid pool, an adjusting tank, a pre-denitration pool, an anaerobic pool, an anoxic pool, an aerobic pool and a sedimentation pool are connected in sequence through sewage pipelines, and the sedimentation pool is connected with an ultraviolet sterilizer and a discharge tank in sequence; the system also comprises an automatic control system, wherein the automatic control system comprises a PLC (programmable logic controller), a COD (chemical oxygen demand) water quality sensor, an electromagnetic flowmeter and a variable-frequency lifting water pump; in the discharge tank, an electromagnetic flowmeter and a variable-frequency lifting water pump are arranged on a sewage pipeline between the regulating reservoir and the pre-denitration reservoir, the COD water quality sensor and the electromagnetic flowmeter are connected with a signal input end of a PLC (programmable logic controller), and a water quantity control signal output end of the PLC is connected with the variable-frequency lifting water pump. The utility model discloses can intelligent control sewage's processing state, have that response speed is fast, intensity of labour is little characteristics.
Description
Technical Field
The utility model relates to a water treatment technical field especially relates to an integration sewage treatment plant.
Background
At present, a domestic sewage treatment system is generally composed of a grid tank, an adjusting tank, a pre-denitration tank, an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank, treated sewage needs to detect COD (chemical oxygen demand) index and can be discharged after the treated sewage is qualified, and the sewage quantity needs to be manually adjusted when the COD index is unqualified.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an integrated sewage treatment device, which can intelligently control the treatment state of sewage and has the characteristics of high response speed and small labor intensity.
In order to realize the aim, the integrated sewage treatment device designed by the utility model comprises a grid pool, an adjusting pool, a pre-denitrification pool, an anaerobic pool, an anoxic pool, an aerobic pool, a sedimentation pool, an ultraviolet sterilizer and a discharge tank; the grid pool, the adjusting pool, the pre-denitration pool, the anaerobic pool, the anoxic pool, the aerobic pool and the sedimentation pool are sequentially connected through sewage pipelines, and a purified water discharge port of the sedimentation pool is sequentially connected with the ultraviolet sterilizer and the discharge tank through a purified water pipeline; the system is characterized by also comprising an automatic control system, wherein the automatic control system comprises a PLC (programmable logic controller), a COD (chemical oxygen demand) water quality sensor, an electromagnetic flowmeter and a variable-frequency lifting water pump; the COD water quality sensor is arranged in the discharge tank, the electromagnetic flowmeter and the variable-frequency lifting water pump are arranged on a sewage pipeline between the regulating tank and the pre-denitration tank, the COD water quality sensor and the electromagnetic flowmeter are connected with a signal input end of the PLC, and a water quantity control signal output end of the PLC is connected with the variable-frequency lifting water pump.
As the preferred scheme, the automatic control system further comprises a liquid level sensor, the liquid level sensor is installed in the regulating reservoir, the liquid level sensor is connected with a signal input end of the PLC, and a liquid level control signal output end of the PLC is connected with the variable-frequency lifting water pump.
As a preferable scheme, the automatic control system further comprises an axial flow fan and a toxic gas detection instrument, the toxic gas detection instrument and the axial flow fan are both installed in the regulating tank, the toxic gas detection instrument is connected with a signal input end of the PLC controller, and a toxic gas control signal output end of the PLC controller is connected with the axial flow fan.
As the preferred scheme, the automatic control system further comprises a camera and a monitoring platform, the camera, the COD water quality sensor, the electromagnetic flow meter, the liquid level sensor and the toxic gas detection instrument are all connected with a signal input end of the PLC, and a working condition signal output end of the PLC is connected with the monitoring platform.
Preferably, the automatic control system further comprises a data storage device, and the data signal output end of the monitoring platform is connected with the data storage device.
As a preferred scheme, the automatic control system further comprises a background information management platform, a cloud end platform and a handheld terminal, wherein a monitoring signal output end of the monitoring platform is sequentially connected with the background information management platform, the cloud end platform and the handheld terminal.
As a preferred scheme, the automatic control system further comprises a human-computer interaction interface, and the signal display output end of the PLC controller is connected with the human-computer interaction interface.
As a preferred scheme, the integrated sewage treatment device further comprises a nitrifying liquid return pipeline and a sludge return pipeline, a nitrifying liquid outlet of the aerobic tank is communicated with the anoxic tank through the nitrifying liquid return pipeline, and a sludge outlet of the aerobic tank is connected with the pre-denitrification tank through the sludge return pipeline.
Preferably, the integrated sewage treatment device further comprises a sludge tank, a slag discharge pipeline and a sludge discharge pipeline, wherein a scum discharge port is arranged at the upper part of the sedimentation tank, and a sludge discharge port is arranged at the bottom of the sedimentation tank; the scum outlet is connected with the regulating tank through a scum pipeline, and the sludge outlet is connected with the sludge tank through a sludge discharge pipeline.
The utility model has the advantages that: compare with current sewage treatment plant, the utility model discloses an integration sewage treatment plant is through setting up the running state of automatic control system control sewage, and specifically speaking, COD water quality sensor and electromagnetic flow meter are with data transmission to the PLC controller, and the PLC controller receives operating mode data signal and analysis and treatment, thereby adjusts the COD value discharge to reach standard of realization sewage through the power and the operating time of contrast preset value control frequency conversion lift water pump just the sewage water yield in handling.
Drawings
FIG. 1 is a schematic structural view of the integrated sewage treatment device of the present invention;
FIG. 2 is a control block diagram of an automatic control system in the integrated sewage treatment device of the present invention;
the components in the figures are numbered as follows: grid pond 1, equalizing basin 2, denitration pond 3 in advance, anaerobism pond 4, oxygen deficiency pond 5, good oxygen pond 6, sedimentation tank 7, sludge impoundment 8, ultraviolet sterilizer 9, blow-off groove 10, air conduit 11, sewer line 12, row's mud pipeline 13, air pump 14, axial fan 15, frequency conversion lift water pump 16, PLC controller 17, toxic gas detecting instrument 18, level sensor 19, COD water quality sensor 20, electromagnetic flowmeter 21, camera 22, monitor platform 23, data storage device 24, backstage information management platform 25, high in the clouds platform 26, handheld terminal 27, nitrify liquid return line 30, mud return line 31, arrange sediment pipeline 32, clean water pipeline 33.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings and specific examples.
Examples
Referring to fig. 1 and 2, the integrated sewage treatment device of the present embodiment includes a grid tank 1, an adjusting tank 2, a pre-denitrification tank 3, an anaerobic tank 4, an anoxic tank 5, an aerobic tank 6, a sedimentation tank 7, a sludge tank 8, an ultraviolet sterilizer 9, a discharge tank 10, an air pipeline 11, a sewage pipeline 12, a sludge discharge pipeline 13, an air pump 14, an axial fan 15, a variable-frequency lift water pump 16, a nitrified liquid return pipeline 30, a sludge return pipeline 31, a slag discharge pipeline 32, a clean water pipeline 33, and an automatic control system; the automatic control system comprises a PLC (programmable logic controller) 17, a toxic gas detection instrument 18, a liquid level sensor 19, a COD (chemical oxygen demand) water quality sensor 20, an electromagnetic flowmeter 21, a camera 22, a monitoring platform 23, a data storage device 24, a background information management platform 25, a cloud platform 26 and a handheld terminal 27.
Referring to fig. 1, a grid tank 1, an adjusting tank 2, a pre-denitrification tank 3, an anaerobic tank 4, an anoxic tank 5, an aerobic tank 6 and a sedimentation tank 7 are sequentially connected through a sewage pipeline 12, a purified water discharge port of the sedimentation tank 7 is sequentially connected with an ultraviolet sterilizer 9 and a discharge tank 10 through a purified water pipeline 33, water treated by the sedimentation tank 7 is discharged into the discharge tank 10 after being sterilized by the ultraviolet sterilizer 9, a COD water quality sensor 20 is arranged in the discharge tank 10 and is discharged after reaching standards after being detected by the COD water quality sensor 20, a scum discharge port is arranged at the upper part of the sedimentation tank 7, a sludge discharge port is arranged at the bottom of the sedimentation tank 7, the scum discharge port is connected with the adjusting tank 2 through a scum discharge pipeline 32, the sludge discharge port is connected with the sludge tank 8 through a sludge discharge pipeline 13, a nitrified liquid outlet of the aerobic tank 6 is communicated with the anoxic tank 5 through a nitrified liquid return pipeline 30, a sludge outlet of the aerobic tank 6 is connected with the, a variable frequency lift water pump 16 and an electromagnetic flowmeter 21 are arranged on the sewage pipeline 12 between the adjusting tank 2 and the pre-denitration tank 3; the pre-denitrification tank 3, the anaerobic tank 4, the anoxic tank 5, the aerobic tank 6 and the sedimentation tank 7 are all provided with ventilation devices, and the ventilation devices are connected with an air pump 14 through an air pipeline 11; wherein the regulating reservoir 2 is also provided with an axial flow fan 15, a poisonous gas detecting instrument 18 for detecting the content of the poisonous gas in the regulating reservoir 2 and a liquid level sensor 19 for detecting the liquid level height in the regulating reservoir.
Referring to fig. 2, the connection relationship among the components in the automatic control system is that a toxic gas detecting instrument 18, a liquid level sensor 19, a COD water quality sensor 20, an electromagnetic flowmeter 21, and a camera 22 are connected to a signal input terminal of a PLC controller 17, a water quantity control signal output terminal of the PLC controller 17 is connected to a variable frequency lift water pump 16, a liquid level control signal output terminal of the PLC controller 17 is also connected to the variable frequency lift water pump 16, and a toxic gas control signal output terminal of the PLC controller 17 is connected to the axial flow fan 15; the working condition signal output end of the PLC 17 is connected with the monitoring platform 23, the signal output end of the monitoring platform 23 is respectively connected with the data storage device 24 and the background information management platform 25, the background information management platform 25 is sequentially connected with the cloud platform 26 and the handheld terminal 27, and the monitoring platform 23 receives real-time detection data of the toxic gas detection instrument 18, the liquid level sensor 19, the COD water quality sensor 20, the electromagnetic flowmeter 21 and the camera 22 which are processed by the PLC 17; the monitoring platform 23 transmits the data to the data storage device 24, the data storage device 24 can synchronously input field working condition data and upload the field working condition data to the server for storage, when a fault occurs in a field, the historical data cannot be lost, and a user can download and check the historical data from the server; in addition, the background information management platform 25 is remotely connected to the data storage device 24 for remote access through the monitoring platform 23. The background information management platform 25 is sequentially connected with the cloud platform 26 and the handheld terminal 27, and a user can access the background information management platform 25 through the handheld terminal 27 to monitor and manage various running states in the integrated sewage treatment device. The signal display output end of the PLC 17 is connected with a human-computer interaction interface, the human-computer interaction interface adopts a touch screen, and the PLC 17 displays the toxic gas content, the liquid level, the flow value, the motor running state and other working condition data in the regulating tank through the human-computer interaction interface.
The sewage treatment process specifically comprises the steps of intercepting large-particle-size particles in sewage through the grating in the grating tank 1, enabling the sewage treated by the grating to enter the regulating tank 2, and regulating the water quality and the water quantity by using the liquid level sensor 19 and the electromagnetic flowmeter 21 in the regulating tank 2 to ensure continuous and stable operation of subsequent biochemical treatment. The sewage in the adjusting tank 2 is intermittently lifted into a pre-denitrification tank 3 by a variable frequency lifting water pump 16 controlled by a PLC (programmable logic controller) 17, then part of organic matters are removed by sequentially passing through an anaerobic tank 4 and an anoxic tank 5, then the sewage flows into an aerobic tank 6, high-efficiency suspended fillers are filled in the aerobic tank 6, the degradation of the organic matters and the nitrification of ammonia nitrogen are realized by oxygenation and aeration, a nitrified liquid flows back to the anoxic tank 5 through a nitrified liquid return pipeline 30, the total nitrogen removal is realized by denitrification, simultaneously the sludge in the aerobic tank 6 flows back to the pre-denitrification tank 3 through a sludge return pipeline 31, nitrates in the returned sludge are removed, a better anaerobic condition is created for the anaerobic tank 4, phosphorus-accumulating bacteria are enabled to carry out anaerobic and full phosphorus release, the realization of excess phosphorus absorption under the aerobic condition is facilitated, the denitrification and phosphorus removal effect of a system is enhanced, the water quality is improved, the sewage enters a, the scum is discharged into the adjusting tank 2 through the slag discharge pipeline 32, the residual sludge is discharged into the sludge tank 8 through the sludge discharge pipeline 13, the final treatment is carried out by the regular outward transportation, and the purified water treated by the sedimentation tank 7 is discharged after reaching the standard after being introduced into the ultraviolet sterilizer 9 through the purified water pipeline 33 for disinfection.
With reference to fig. 1 and 2, the integrated sewage treatment device of the present embodiment can monitor the toxic gas content, liquid level, flow and other working condition data in the conditioning tank 2, and send the working condition data signal to the PLC controller 17, the PLC controller 17 receives the working condition data signal and analyzes and processes the same, and the power and the operation time of the variable frequency lift water pump 16 are controlled by comparing the preset values to adjust the amount of sewage being treated. Specifically, when the toxic gas detection instrument 18 in the regulating reservoir 2 detects that the content of hydrogen sulfide exceeds the preset value by 5ppm, the PLC controller 17 starts the axial flow fan 15 to perform air exchange work until the content of hydrogen sulfide is reduced to less than 1ppm, the axial flow fan 15 works for 5 minutes, and then the PLC controller 17 stops the axial flow fan 15 from working until the content of hydrogen sulfide next time exceeds the preset value again. The COD water quality sensor 20 is used for detecting the water quality condition of the sewage treated in the discharge tank 10, when the COD monitoring value is less than or equal to 50mg/L, the water quality treatment result meets the requirement, and the integrated sewage treatment station control system keeps the current state to continue to operate; when the COD monitoring numerical value content is 50-100 mg/L, the water quality treatment result does not reach the preset value, the PLC 17 controls the power of the variable-frequency lifting water pump 16, the flow of the sewage is detected through the electromagnetic flowmeter 21, the power of the variable-frequency lifting water pump 16 is reduced, so that the flow value of the sewage entering the pre-denitration tank 3 is reduced to 50% of the normal value, the water quantity of the sewage entering the pre-denitration tank 3 is reduced, and the sewage treatment effect is improved; when the COD monitoring value content is more than 100mg/L, the efficiency of the integrated sewage treatment device is continuously reduced, the PLC 17 adjusts the power of the variable-frequency lifting water pump 16, the flow of the sewage is detected through the electromagnetic flowmeter 21, the power of the motor of the variable-frequency lifting water pump 16 is reduced, so that the flow value of the sewage entering the pre-denitration tank 3 is reduced to 25% of the normal value, and the water quantity of the sewage entering the pre-denitration tank 3 is further reduced. Level sensor 19 is used for detecting the liquid level height of sewage in equalizing basin 2, and under the general condition, the sewage liquid level is located and predetermines below the liquid level value, when the sewage liquid level is greater than the highest liquid level of predetermineeing, it is too much to show the sewage that gets into, if not handle in time, will overflow the polluted environment, and PLC controller 17 adjusts the power that frequency conversion promoted water pump 16 this moment, increases the promotion water yield.
The processes of receiving, processing and controlling by the PLC controller 17 in the present application are all the prior art, and do not involve the improvement of the computer program.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. An integrated sewage treatment device comprises a grating tank (1), a regulating tank (2), a pre-denitrification tank (3), an anaerobic tank (4), an anoxic tank (5), an aerobic tank (6), a sedimentation tank (7), an ultraviolet sterilizer (9) and a discharge tank (10); the grid pool (1), the adjusting pool (2), the pre-denitration pool (3), the anaerobic pool (4), the anoxic pool (5), the aerobic pool (6) and the sedimentation pool (7) are sequentially connected through a sewage pipeline (12), and a purified water discharge port of the sedimentation pool (7) is sequentially connected with the ultraviolet sterilizer (9) and the discharge tank (10) through a purified water pipeline (33); the system is characterized by also comprising an automatic control system, wherein the automatic control system comprises a PLC (programmable logic controller) controller (17), a COD (chemical oxygen demand) water quality sensor (20), an electromagnetic flowmeter (21) and a variable-frequency lifting water pump (16); COD water quality sensor (20) sets up in discharge tank (10), electromagnetic flowmeter (21) and frequency conversion lift water pump (16) all set up on sewage pipe (12) between equalizing basin (2) and denitration pond (3) in advance, COD water quality sensor (20) and electromagnetic flowmeter (21) all are connected with the signal input part of PLC controller (17), the water yield control signal output part of PLC controller (17) with frequency conversion lift water pump (16) are connected.
2. The integrated sewage treatment device according to claim 1, wherein the automatic control system further comprises a liquid level sensor (19), the liquid level sensor (19) is installed in the regulating tank (2), the liquid level sensor (19) is connected with a signal input end of a PLC (17), and a liquid level control signal output end of the PLC (17) is connected with the variable-frequency lift water pump (16).
3. The integrated sewage treatment device according to claim 2, wherein the automatic control system further comprises an axial flow fan (15) and a toxic gas detection instrument (18), the toxic gas detection instrument (18) and the axial flow fan (15) are both installed in the regulating tank (2), the toxic gas detection instrument (18) is connected with a signal input end of a PLC (17), and a toxic gas control signal output end of the PLC (17) is connected with the axial flow fan (15).
4. The integrated sewage treatment device according to claim 3, wherein the automatic control system further comprises a camera (22) and a monitoring platform (23), the camera (22), the COD water quality sensor (20), the electromagnetic flow meter (21), the liquid level sensor (19) and the toxic gas detection instrument (18) are all connected with a signal input end of the PLC (17), and a working condition signal output end of the PLC (17) is connected with the monitoring platform (23).
5. The integrated wastewater treatment device according to claim 4, wherein the automatic control system further comprises a data storage device (24), and the data signal output end of the monitoring platform (23) is connected with the data storage device (24).
6. The integrated sewage treatment device according to claim 5, wherein the automatic control system further comprises a background information management platform (25), a cloud platform (26) and a handheld terminal (27), and a monitoring signal output end of the monitoring platform (23) is sequentially connected with the background information management platform (25), the cloud platform (26) and the handheld terminal (27).
7. The integrated sewage treatment device according to claim 6, wherein the automatic control system further comprises a human-computer interaction interface, and the signal display output end of the PLC (17) is connected with the human-computer interaction interface.
8. The integrated sewage treatment device according to claim 1, further comprising a nitrifying liquid return pipe (30) and a sludge return pipe (31), wherein the nitrifying liquid outlet of the aerobic tank (6) is communicated with the anoxic tank (5) through the nitrifying liquid return pipe (30), and the sludge outlet of the aerobic tank (6) is connected with the pre-denitrification tank (3) through the sludge return pipe (31).
9. The integrated sewage treatment device according to claim 1 or 8, further comprising a sludge tank (8), a slag discharge pipeline (32) and a sludge discharge pipeline (13), wherein a scum discharge port is arranged at the upper part of the sedimentation tank (7), and a sludge discharge port is arranged at the bottom of the sedimentation tank (7); the scum discharge port is connected with the adjusting tank (2) through a scum discharge pipeline (32), and the sludge discharge port is connected with the sludge tank (8) through a sludge discharge pipeline (13).
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| CN202021126788.8U CN212770334U (en) | 2020-06-17 | 2020-06-17 | Integrated sewage treatment device |
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| CN202021126788.8U CN212770334U (en) | 2020-06-17 | 2020-06-17 | Integrated sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550665A (en) * | 2024-01-12 | 2024-02-13 | 青岛中润设备仪表有限公司 | Method, device, computer equipment and medium for treating sewage by electromagnetic flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550665A (en) * | 2024-01-12 | 2024-02-13 | 青岛中润设备仪表有限公司 | Method, device, computer equipment and medium for treating sewage by electromagnetic flowmeter |
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