CN216808525U - Full-automatic magnetic suspension fan effluent treatment plant - Google Patents
Full-automatic magnetic suspension fan effluent treatment plant Download PDFInfo
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- CN216808525U CN216808525U CN202220652688.1U CN202220652688U CN216808525U CN 216808525 U CN216808525 U CN 216808525U CN 202220652688 U CN202220652688 U CN 202220652688U CN 216808525 U CN216808525 U CN 216808525U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to a full-automatic magnetic suspension fan wastewater treatment device, and provides a novel full-automatic magnetic suspension fan wastewater treatment device which comprises an air filtering device, a first wastewater treatment oxygen consumption pool, a second wastewater treatment oxygen consumption pool, a wastewater adjusting pool, a wastewater sedimentation pool and a wastewater discharge pool, wherein when polyether production enterprises carry out wastewater treatment, the conventional fan has large power consumption, and the generated air quantity and air pressure are unstable, so that the wastewater treatment is unstable or unqualified; the method is characterized by also comprising a full-automatic magnetic suspension fan, an air flow meter, a pressure detector, an oxygen content detector and a PLC control cabinet, and can be applied to industrial production of polyether polyol wastewater treatment.
Description
Technical Field
The utility model relates to a full-automatic magnetic suspension fan wastewater treatment device, in particular to a polyether polyol production wastewater treatment device.
Background
In the waste water treatment process of chemical enterprises, especially in the waste water treatment process of polyether manufacturing enterprises, a large amount of and stable air is needed to supply oxygen consuming bacteria in the waste water treatment process, most enterprises basically use turbo blowers or roots blowers to provide air, the power consumption of the blowers in the daily use process is large, simultaneously generated air is unstable, the amount and pressure of entering air cannot be automatically adjusted along with the increase and decrease of the waste water amount, and the waste water treatment is unstable and unqualified.
The old turbo blower or Roots blower has high failure stop rate and high maintenance cost in the daily operation process, and the quantity and pressure of air entering a treatment tank cannot be automatically adjusted along with the increase and decrease of the waste water quantity; the air inlet amount and the pressure are unstable, and the wastewater treatment is unstable or unqualified; meanwhile, the old turbo blower or roots blower has no automatic regulating system in the mechanical operating state and high power consumption.
Therefore, there is a strong need for a wastewater treatment device capable of automatically adjusting the air flow rate and the air pressure.
Chinese patent CN210215106U discloses a polyether polyol waste water processing apparatus, including the rose box, the rose box top articulates there is flip, flip both ends symmetry is equipped with the waste water pipe connector, rose box inner wall joint has fixed frame, the filter screen has been placed on the fixed frame, the overflow notch has been seted up to rose box bottom both ends symmetry, the overflow notch links to each other with first sedimentation tank, first valve is installed to first sedimentation tank bottom one end. The device passes through the granule rubbish debris in rose box and the filter screen discharge waste water, and waste water gets into the aeration tank by first sedimentation tank to control dissolved oxygen concentration, get into the secondary sedimentation tank by the aeration tank again, and the mud of production is sent to the sludge treatment factory, and waste water after the sediment is carried to biochemical strengthening pond through the water pump, gets into the disinfection room through mixing with the nitrogen phosphorus nutrient solution that thoroughly adds after, passes the separation membrane at last and flows to the water quality testing case, handles high-efficiently, green. This patent discloses a filtration treatment device for polyether wastewater before treatment.
Disclosure of Invention
The utility model aims to solve the technical problems that in the prior art, when wastewater is treated in polyether production enterprises, the conventional fan has high power consumption, and the generated air quantity and air pressure are unstable to cause unstable or unqualified wastewater treatment, and provides a novel full-automatic magnetic suspension fan wastewater treatment device which has the advantages of automatically adjusting the air flow and air pressure and enabling the quality of treated wastewater to be stable and qualified.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a full-automatic magnetic suspension fan wastewater treatment device comprises an air filtering device 1, a wastewater regulating tank 4, a first wastewater treatment oxygen consumption tank 5, a second wastewater treatment oxygen consumption tank 6, a wastewater sedimentation tank 7 and a wastewater discharge tank 8; the device is characterized by further comprising a full-automatic magnetic suspension fan 2, an air flow meter 14, a pressure detector 15, an oxygen content measurement detector 13 and a PLC control cabinet 3; wherein, the outlet of the air filtering device 1 is connected with the inlet of a full-automatic magnetic suspension fan 2, the air outlet of the full-automatic magnetic suspension fan 2 is connected with the bottom air inlet of a first wastewater treatment oxygen consumption pool 5 through a pipeline, an air flow meter 14 and a pressure detector 15 are arranged on the pipeline, the air flow meter 14 is connected with a PLC control cabinet 3 through a first data line 10, and the pressure detector 15 is connected with the PLC control cabinet 3 through a second data line 11; an oxygen content detector 13 is arranged in the first wastewater treatment oxygen consumption pool 5, and the oxygen content detector 13 is connected with the PLC control cabinet 3 through a third data line 12; a rotating speed sensor in the full-automatic magnetic suspension fan 2 is connected with the PLC control cabinet 3 through a fourth data line 9; the outlet of the wastewater regulating tank 4 is connected with the upper end of the first wastewater treatment oxygen consumption tank 5; a baffle is arranged between the first wastewater treatment oxygen consumption pool 5 and the second wastewater treatment oxygen consumption pool 6, the upper ends of the first wastewater treatment oxygen consumption pool and the second wastewater treatment oxygen consumption pool are communicated, and the liquid level in the second wastewater treatment oxygen consumption pool 6 is lower than that of the first wastewater treatment oxygen consumption pool 5; the second wastewater treatment oxygen consumption tank 6 and the wastewater sedimentation tank 7 are provided with a partition in the middle, the upper ends of the two tanks are communicated, and the liquid levels of the two tanks are the same; the wastewater sedimentation tank 7 and the wastewater discharge tank 8 are provided with a partition in the middle, the upper ends of the wastewater sedimentation tank and the wastewater discharge tank are communicated, the liquid levels of the two tanks are the same, and wastewater flows by utilizing the liquid level difference.
In the above technical solution, preferably, the first data line 10 is connected to an air flow data input bayonet of the PLC control cabinet; the second data line 11 is connected with a pressure detection data input bayonet of the PLC control cabinet; the third data line 12 is connected with an oxygen content data input bayonet of the PLC control cabinet; and a fourth data line 9 is connected with a rotating speed output bayonet of the magnetic suspension fan controlled by the PLC control cabinet.
In the above technical solution, preferably, the rotation speed sensor of the fully automatic magnetic levitation fan 2 is interlocked with the air flow meter 14, the pressure detector 15, and the oxygen content detector 13 through the PLC control cabinet 3. When the oxygen content detector 13 detects that the oxygen content is not in the set range, the PLC control cabinet 3 controls the rotating speed sensor of the full-automatic magnetic suspension fan 2 in an interlocking manner, and the rotating speed of the fan is automatically adjusted to meet the requirement; when the pressure detected by the pressure detector 15 is smaller than a set value, the PLC control cabinet 3 controls the rotating speed sensor of the full-automatic magnetic suspension fan 2 in an interlocking manner, and the speed of the fan is automatically adjusted to meet the requirement; when the air flow detected by the air flow meter 14 is not within the range, the PLC control cabinet 3 controls the rotating speed sensor of the full-automatic magnetic suspension fan 2 in an interlocking manner, and the speed of the fan is automatically adjusted to meet the requirement.
The utility model adopts a full-automatic magnetic suspension fan wastewater treatment device, and automatically adjusts the flow and pressure of air entering a wastewater pool along with the increase and decrease of the wastewater amount and the water level of the wastewater pool; meanwhile, relatively constant air inflow and pressure can be kept, and the stability of a wastewater treatment system is ensured, so that qualified wastewater subjected to continuous treatment is discharged. The full-automatic magnetic suspension fan device is low in cost, stable in operation and low in failure rate, the machine is free of abrasion and low in energy consumption when the magnetic suspension fan conveys gas, about 20% of electric charge is saved compared with a conventional air blower, and a better technical effect is achieved.
Drawings
FIG. 1 is a schematic flow diagram of a wastewater treatment device of a full-automatic magnetic suspension fan.
Wherein, 1 is an air filtering device, 2 is a full-automatic magnetic suspension fan, 3 is a PLC control cabinet, 4 is a wastewater adjusting tank, 5 is a first wastewater treatment oxygen consumption tank, 6 is a second wastewater treatment oxygen consumption tank, 7 is a wastewater sedimentation tank, 8 is a wastewater discharge tank, 9 is a fourth data line, 10 is a first data line, 11 is a second data line, 12 is a third data line, 13 is an oxygen content detector, 14 is an air flow meter, and 15 is a pressure detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
a full-automatic magnetic suspension fan wastewater treatment device comprises an air filtering device 1, a wastewater regulating tank 4, a first wastewater treatment oxygen consumption tank 5, a second wastewater treatment oxygen consumption tank 6, a wastewater sedimentation tank 7 and a wastewater discharge tank 8; the device is characterized by further comprising a full-automatic magnetic suspension fan 2, an air flow meter 14, a pressure detector 15, an oxygen content measurement detector 13 and a PLC control cabinet 3; wherein, the outlet of the air filtering device 1 is connected with the inlet of a full-automatic magnetic suspension fan 2, the air outlet of the full-automatic magnetic suspension fan 2 is connected with the bottom air inlet of a first wastewater treatment oxygen consumption pool 5 through a pipeline, an air flow meter 14 and a pressure detector 15 are arranged on the pipeline, the air flow meter 14 is connected with a PLC control cabinet 3 through a first data line 10, and the pressure detector 15 is connected with the PLC control cabinet 3 through a second data line 11; an oxygen content detector 13 is arranged in the first wastewater treatment oxygen consumption pool 5, and the oxygen content detector 13 is connected with the PLC control cabinet 3 through a third data line 12; a rotating speed sensor in the full-automatic magnetic suspension fan 2 is connected with the PLC control cabinet 3 through a fourth data line 9; the outlet of the wastewater regulating tank 4 is connected with the upper end of the first wastewater treatment oxygen consumption tank 5;
a baffle is arranged between the first wastewater treatment oxygen consumption pool 5 and the second wastewater treatment oxygen consumption pool 6, the upper ends of the first wastewater treatment oxygen consumption pool and the second wastewater treatment oxygen consumption pool are communicated, and the liquid level in the second wastewater treatment oxygen consumption pool 6 is lower than that of the first wastewater treatment oxygen consumption pool 5; the second wastewater treatment oxygen consumption tank 6 and the wastewater sedimentation tank 7 are provided with a partition in the middle, the upper ends of the two tanks are communicated, and the liquid levels of the two tanks are the same; the wastewater sedimentation tank 7 and the wastewater discharge tank 8 are provided with a separation bar in the middle, the upper ends of the wastewater sedimentation tank and the wastewater discharge tank are communicated, the liquid levels of the two tanks are the same, and wastewater flows by utilizing the liquid level drop.
The wastewater with COD of 3000mg/L produced by the polyether device flows into the regulating tank through a pipeline, a proper amount of liquid caustic soda, potassium dihydrogen phosphate and urea are added into the regulating tank and then are introduced into the first wastewater treatment oxygen consumption tank, air enters the full-automatic magnetic suspension fan through the air filter, and the full-automatic magnetic suspension fan blows the air into the lower end air inlet of the first wastewater treatment oxygen consumption tank. The rotating speed sensor of the full-automatic magnetic suspension fan is respectively controlled by a PLC control system together with the air flow meter, the pressure detector and the oxygen content detector through a PLC control cabinet. Controlling the dissolved oxygen DO within the range of 3-4 mg/L. When the oxygen content detector detects that dissolved oxygen DO is not in the range of 3-4 mg/L, the PLC control cabinet controls full-automatic magnetic suspension air; namely, when the oxygen content is lower than the set value, the rotating speed of the fan is increased; and when the oxygen content is higher than a set value, reducing the rotating speed of the fan. When the pressure detected by the pressure detector is less than 0.1MPa, the control cabinet controls the full-automatic magnetic suspension fan in an interlocking manner, and the fan speed is automatically adjusted and increased to meet the requirement.
The treated wastewater flows into a second wastewater treatment oxygen consumption tank and a wastewater sedimentation tank sequentially through liquid level difference and is finally discharged into a wastewater discharge tank, and the result of the measured treated wastewater is that COD is less than or equal to 200 mg/L.
The device treats 3000 cubes of wastewater per day. The power consumption of the used full-automatic magnetic suspension fan is 190 ten thousand DEG per year.
Comparative example 1:
a wastewater treatment device comprises an air filtering device, a first wastewater treatment oxygen consumption tank, a second wastewater treatment oxygen consumption tank, a wastewater adjusting tank, a wastewater sedimentation tank, a wastewater discharge tank and a Roots blower; wherein, the outlet of the air filter is connected with the inlet of the Roots blower, and the air outlet of the Roots blower is connected with the bottom air inlet of the first wastewater treatment oxygen consumption pool through a pipeline; the outlet of the regulating tank is connected with the upper end of the first wastewater treatment oxygen consumption tank; the first wastewater treatment oxygen-consuming pool is communicated with the second wastewater treatment oxygen-consuming pool; the second wastewater treatment oxygen consumption tank is communicated with the wastewater sedimentation tank, and the wastewater sedimentation tank is communicated with the wastewater discharge tank.
The waste water that polyether device production COD is 3000mg/L flows into the equalizing basin through the pipeline, lets in first waste water treatment and consumes oxygen pond after adding appropriate amount liquid alkali, potassium dihydrogen phosphate, urea at the equalizing basin, and the air gets into the roots blower through air cleaner, and the roots blower is with the lower extreme air inlet that the air was blown into first waste water treatment and is consumed oxygen pond.
The treated wastewater flows into a second wastewater treatment oxygen consumption tank and a wastewater sedimentation tank sequentially through liquid level difference and is finally discharged into a wastewater discharge tank, and the result of the measured treated wastewater is that COD is less than or equal to 500 mg/L.
The device treats 3000 cubes of wastewater per day. The power consumption of the used Roots blower is 273 ten thousand degrees per year.
Claims (2)
1. A full-automatic magnetic suspension fan wastewater treatment device comprises an air filtering device (1), a wastewater regulating tank (4), a first wastewater treatment oxygen consumption tank (5), a second wastewater treatment oxygen consumption tank (6), a wastewater sedimentation tank (7) and a wastewater discharge tank (8); the device is characterized by also comprising a full-automatic magnetic suspension fan (2), an air flow meter (14), a pressure detector (15), an oxygen content detector (13) and a PLC control cabinet (3); the outlet of the air filtering device (1) is connected with the inlet of a full-automatic magnetic suspension fan (2), the air outlet of the full-automatic magnetic suspension fan (2) is connected with the bottom air inlet of a first wastewater treatment oxygen consumption pool (5) through a pipeline, an air flow meter (14) and a pressure detector (15) are arranged on the pipeline, the air flow meter (14) is connected with a PLC control cabinet (3) through a first data line (10), and the pressure detector (15) is connected with the PLC control cabinet (3) through a second data line (11); an oxygen content detector (13) is arranged in the first wastewater treatment oxygen consumption pool (5), and the oxygen content detector (13) is connected with the PLC control cabinet (3) through a third data line (12); a rotating speed sensor in the full-automatic magnetic suspension fan (2) is connected with the PLC control cabinet (3) through a fourth data line (9); the outlet of the wastewater regulating tank (4) is connected with the upper end of the first wastewater treatment oxygen consumption tank (5); a baffle is arranged between the first wastewater treatment oxygen consumption pool (5) and the second wastewater treatment oxygen consumption pool (6), the upper ends of the first wastewater treatment oxygen consumption pool and the second wastewater treatment oxygen consumption pool are communicated, and the liquid level height in the second wastewater treatment oxygen consumption pool (6) is lower than that of the first wastewater treatment oxygen consumption pool (5); the second wastewater treatment oxygen consumption tank (6) and the wastewater sedimentation tank (7) are provided with a partition in the middle, the upper ends of the two tanks are communicated, and the liquid levels of the two tanks are the same; the wastewater sedimentation tank (7) and the wastewater discharge tank (8) are provided with a partition in the middle, the upper ends of the wastewater sedimentation tank and the wastewater discharge tank are communicated, the liquid levels of the two tanks are the same, and wastewater flows by utilizing the liquid level drop.
2. The wastewater treatment device of the full-automatic magnetic suspension fan as claimed in claim 1, wherein the first data line (10) is connected with an air flow data input bayonet of a PLC control cabinet; the second data line (11) is connected with a pressure detection data input bayonet of the PLC control cabinet; the third data line (12) is connected with the oxygen content data input bayonet of the PLC control cabinet; and a fourth data line (9) is connected with a rotating speed output bayonet of the magnetic suspension fan controlled by the PLC control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220652688.1U CN216808525U (en) | 2022-03-24 | 2022-03-24 | Full-automatic magnetic suspension fan effluent treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220652688.1U CN216808525U (en) | 2022-03-24 | 2022-03-24 | Full-automatic magnetic suspension fan effluent treatment plant |
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| CN216808525U true CN216808525U (en) | 2022-06-24 |
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| CN202220652688.1U Active CN216808525U (en) | 2022-03-24 | 2022-03-24 | Full-automatic magnetic suspension fan effluent treatment plant |
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- 2022-03-24 CN CN202220652688.1U patent/CN216808525U/en active Active
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