CN210193606U - Wastewater treatment system and device thereof - Google Patents
Wastewater treatment system and device thereof Download PDFInfo
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- CN210193606U CN210193606U CN201920626256.1U CN201920626256U CN210193606U CN 210193606 U CN210193606 U CN 210193606U CN 201920626256 U CN201920626256 U CN 201920626256U CN 210193606 U CN210193606 U CN 210193606U
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Abstract
The utility model discloses a wastewater treatment device, which comprises an aerobic tank for removing organic matters in wastewater; an anaerobic tank for removing nitrate nitrogen in the wastewater; and the electrolysis device is immersed in the aerobic tank, is communicated with the anaerobic tank and is used for improving the biochemical oxygen demand of the wastewater and reducing the chemical oxygen demand of the wastewater. The device has high water purification efficiency, can remove persistent organic pollutants such as antibiotics and hormones in the wastewater, and can also carry out biodegradation on other pollutants in the wastewater. Furthermore, the utility model also discloses a wastewater treatment system of including above-mentioned wastewater treatment device.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to a waste water treatment device. Furthermore, the utility model discloses still relate to a wastewater treatment system including above-mentioned wastewater treatment device.
Background
The livestock breeding industry is an important agricultural industry in China, and along with the continuous development of the livestock breeding industry, drugs such as antibiotics and hormones are applied in large quantities, so that the breeding wastewater contains persistent organic pollutants such as the antibiotics and the hormones, and if the persistent organic pollutants in the wastewater are not removed, the natural ecological environment is damaged, and the life health of human beings is threatened.
Therefore, how to remove persistent organic pollutants and other pollutants in wastewater simultaneously is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste water treatment device, this waste water treatment device's water purification efficiency is high, can detach the persistent organic pollutant such as antibiotic and hormone in the waste water, can also carry out biodegradable to other pollutants in the waste water. The utility model also aims to provide a wastewater treatment system comprising the wastewater treatment device.
In order to achieve the above object, the utility model provides a wastewater treatment device, include: an aerobic tank for removing organic matters in the wastewater; an anaerobic tank for removing nitrate nitrogen in the wastewater; and the electrolysis device is immersed in the aerobic tank, is communicated with the anaerobic tank and is used for improving the biochemical oxygen demand of the wastewater and reducing the chemical oxygen demand of the wastewater.
Preferably, the electrolysis device comprises: a shell immersed in the aerobic tank; an electrode disposed in the housing for electrolyzing the wastewater; an aerator disposed within the housing for providing oxygen to the electrode.
Preferably, the shell is provided with a water inlet pipe communicated with the aerobic tank and a water outlet pipe communicated with the anaerobic tank; wherein the water outlet pipe is higher than the water inlet pipe; a water inlet valve for controlling wastewater to flow into the shell is arranged at the water inlet pipe; and a drain valve for controlling the wastewater to flow out of the shell is arranged at the drain pipe.
Preferably, the inlet of the water inlet pipe is provided with a filter screen for preventing impurities in the aerobic tank from entering the shell.
Preferably, the aerobic tank also comprises an electric brush which is arranged in the aerobic tank and used for cleaning the filter screen.
Preferably, the system further comprises a flow meter arranged at the water inlet pipe and used for monitoring the real-time flow of the wastewater.
Compared with the prior art, the utility model provides a handle device of waste water through add electrolytic device between good oxygen pond and anaerobism pond in order to improve the water purification effect in anaerobism pond and detach good oxygen pond and the anaerobism pond persistent organic pollutant who is difficult to handle. Specifically, the wastewater in the aerobic tank is introduced into an electrolysis device, and the electrolysis device removes persistent organic pollutants in the wastewater by utilizing an electro-Fenton technology, correspondingly reduces COD (Chemical oxygen demand) in the wastewater, and increases BOD (biochemical oxygen demand) in the wastewater5(Biochemical Oxygen Demand), namely, the BOD of the wastewater is increased5The value of COD, and then the water purification efficiency in the anaerobic tank has been improved.
The utility model also provides a wastewater treatment system, including the equalizing basin, still include with the equalizing basin links to each other, as above-mentioned arbitrary wastewater treatment device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an apparatus for treating wastewater according to the present invention;
wherein the content of the first and second substances,
1-aerobic pool, 2-anaerobic pool, 3-shell, 31-water inlet valve, 32-water discharge valve, 4-power supply, 41-anode, 42-cathode, 5-aerator and 6-electric brush.
Note that the arrows in fig. 1 indicate the flow direction of the wastewater.
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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic view of an apparatus for treating wastewater according to the present invention.
The utility model provides a waste water treatment device, as shown in figure 1, this waste water treatment device includes: an aerobic tank 1 for oxidizing ammonia nitrogen in the wastewater into nitrate nitrogen by nitrification of autotrophic bacteria; an anaerobic tank 2 which reduces nitrate nitrogen into molecular nitrogen (namely nitrogen) by using the denitrification of heterotrophic bacteria; an electrolysis device which is immersed in the aerobic tank 1, is communicated with the anaerobic tank 2 and utilizes the electro-Fenton technology to electrolyze wastewater.
It should be noted that, the aerobic tank 1 and the anaerobic tank 2 are both water purification devices adopted by AO (anaerobic Oxic, anaerobic and aerobic) water treatment technology, and the specific structure and functional principle thereof can refer to the prior art; the electrolysis device is specifically an electro-Fenton device, and the functional principle of the electrolysis device can refer to the prior art; the core of the utility model is to apply the electro-Fenton technology to the AO water treatment technology, particularly, the wastewater is treated between the flow of aerobic treatment and anaerobic treatment of OA water treatmentPerforming electro-Fenton treatment to remove persistent organic pollutants in the wastewater and BOD in the wastewater before entering the anaerobic tank 25(Biochemical Oxygen Demand) and reduces COD (chemical Oxygen Demand) in the wastewater, i.e., increases BOD5The value of COD is favorable for the purification treatment of the anaerobic tank 2 to the waste water, and the water purification efficiency of the anaerobic tank 2 is improved.
As shown in fig. 1, the above-mentioned electrolytic apparatus comprises: a shell 3 immersed in the aerobic tank 1; an electrode provided in the case 3; an aerator 5 disposed within the housing 3. Specifically, the electrode is connected with a power supply 4 outside the shell 3 through a lead, wherein the electrode connected with the positive pole of the power supply 4 is an anode 41, and the motor connected with the negative pole of the power supply 4 is a cathode 42; the aerator 5 is fixed to the bottom of the housing 3 and is preferably located directly below the electrodes so that the air bubbles generated by the aerator 5 can pass over the surfaces of the cathode 42 and the anode 41, on the one hand, the air bubbles can provide oxygen for the cathode 42 to facilitate electro-fenton reaction, and on the other hand, the air bubbles can also pass over the surfaces of the electrodes from bottom to top to remove various impurities deposited or precipitated on the surfaces of the electrodes, thereby ensuring the conductivity of the electrodes.
It should be noted that the power supply 4 is a power supply device capable of supplying direct current; in order to avoid the hoisting of the electrode by the lead, a bracket for supporting and fixing the motor can be arranged in the shell 3, and the bracket can enable the anode 41 and the cathode 42 to be inserted into the wastewater so as to ensure that the lead cannot be broken; preferably, the bracket can be further provided with a waterproof pipe for the lead to pass through, so that the lead is prevented from being in a wet working environment through the waterproof pipe.
In order to introduce the waste water in the aerobic tank 1 into the electrolysis apparatus and to communicate the electrolysis apparatus with the anaerobic tank 2, the housing 3 has a water inlet pipe communicating with the aerobic tank 1 and a water outlet pipe communicating with the anaerobic tank 2, so that the waste water in the aerobic tank 1 is introduced into the housing 3 through the water inlet pipe and the waste water in the housing 3 is introduced into the anaerobic tank 2 through the water outlet pipe.
Preferably, the electrolysis device realizes water inlet and water discharge of the shell 3 through a liquid level difference, specifically, the water inlet pipe is arranged at a position near the bottom of the shell 3, the water discharge pipe is arranged at a position near the top of the shell 3, when the shell 3 is communicated with the aerobic tank 1 through the water inlet pipe, water is discharged through the water discharge pipe, so that the liquid level in the shell 3 is reduced, the liquid level inside and outside the shell 3 is further inconsistent, and the wastewater in the aerobic tank 1 enters the shell 3 under the action of the pressure difference between two ends of the water inlet pipe.
It should be noted that, in order to enable the wastewater in the housing 3 to flow into the anaerobic tank 2, the bottom of the drain pipe is lower than the liquid level in the housing 3, that is, the liquid level of the aerobic tank needs to be higher than the bottom of the drain pipe all the time, so as to ensure that the wastewater in the housing 3 flows into the anaerobic tank 2 through the drain pipe; in addition, the liquid level in the anaerobic tank 2 should be lower than the liquid level in the housing 3 to avoid the wastewater in the anaerobic tank 2 from flowing back into the housing 3.
As shown in fig. 1, in order to control the opening and closing of the water inlet pipe and the flow rate of wastewater flowing from the aerobic tank 1, a water inlet valve 31 is arranged at the water inlet pipe; a drain valve 32 is provided at the drain pipe in order to control the opening and closing of the drain pipe and the flow rate of the waste water flowing out of the housing 3. Wherein, because the water inlet valve 31 is completely immersed in the wastewater, the water inlet valve 31 preferably adopts a leakage-proof electric control valve in the prior art, so that a worker can remotely control the opening and closing of the water inlet valve 31 at stations such as an operation desk; in order to ensure the safety of the worker, the above-mentioned drain valve 32 preferably adopts an electric control valve in the prior art, so that the worker can remotely control the opening and closing of the drain valve 32 at stations such as an operation desk.
In order to ensure the water quality of the inlet water of the shell 3, a filter screen is arranged at the inlet of the inlet pipe so as to prevent large-particle impurities such as sludge in the wastewater in the aerobic tank 1 from entering the shell 3 by utilizing the physical blocking effect of the filter screen.
In order to further ensure the smoothness of water inlet of the shell 3, the wastewater treatment device also comprises an electric brush 6 arranged in the aerobic tank 1, and when the filtering holes of the filtering net are blocked by impurities such as sludge, the impurities accumulated on the surface of the filtering net are removed by the electric brush 6.
It should be noted that the electric brush 6 cannot be understood as a brush with bristles, and all brushes that can scrape the surface of a filter screen or clean and dredge filter holes belong to the electric brush 6 of the present invention; because the working environment of the electric brush 6 is mainly to clean the filter screen in the wastewater, the electric brush 6 can adopt a leakproof electric brush with good sealing performance in the prior art so as to avoid the fault of electric leakage of the electric brush 6 in the wastewater; in addition, the electric brush 6 can be powered by connecting a wire with a power supply, and can also be powered by other forms such as chemical reaction, biomass energy, magnetic energy and the like.
It should be further noted that the process of cleaning the filter screen may be implemented manually, or may be implemented in an automatic control manner, in other words, the technical method of driving the electric brush 6 to clean may refer to the prior art, as long as the electric brush 6 can remove the impurities collected at the filter screen, and will not be described herein again.
This effluent treatment plant is still including locating the flowmeter of inlet tube department, and the flowmeter is used for monitoring the real-time inflow of casing 3 to judge the jam condition of filter screen, and then be convenient for control opening of electric brush 6 and stop. Wherein, the structure and the functional principle of flowmeter can refer to prior art, as long as can realize monitoring the waste water flow of inlet tube can to whether the filter screen is blockked up is judged according to the monitoring result of flowmeter to staff or electric brush 6's control system.
It is conceivable that the flow meter may be provided at the drain pipe to determine the clogging of the filter screen, since the water inflow and the water discharge of the housing 3 are the same.
The utility model also provides a wastewater treatment system, which comprises a regulating tank and a wastewater treatment device connected with the regulating tank; the conditioning tanks and other parts of the wastewater treatment system can be referred to the prior art and are not expanded herein.
The above detailed introduction is made to the wastewater treatment system and the device thereof provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. An apparatus for treating wastewater, comprising:
an aerobic tank (1) for removing organic matters in the wastewater;
an anaerobic tank (2) for removing nitrate nitrogen from wastewater;
an electrolysis device immersed in the aerobic tank (1) and communicated with the anaerobic tank (2) for increasing the biochemical oxygen demand and reducing the chemical oxygen demand of the wastewater, the electrolysis device comprising:
a shell (3) immersed in the aerobic tank (1);
an electrode disposed in the housing (3) for electrolyzing the wastewater;
an aerator (5) disposed within the housing (3) for providing oxygen to the electrode;
wherein the shell (3) is provided with a water inlet pipe communicated with the aerobic tank (1) and a water outlet pipe communicated with the anaerobic tank (2).
2. The wastewater treatment apparatus according to claim 1, wherein the drain pipe is higher than the inlet pipe; a water inlet valve (31) used for controlling wastewater to flow into the shell (3) is arranged at the water inlet pipe; and a drain valve (32) for controlling the wastewater to flow out of the shell (3) is arranged at the drain pipe.
3. A waste water treatment plant according to claim 2, characterized in that the inlet of the inlet pipe is provided with a filter screen for preventing impurities in the aerobic tank (1) from entering the housing (3).
4. A waste water treatment plant according to claim 3, characterized by further comprising an electric brush (6) arranged in the aerobic tank (1) for cleaning the filter screen.
5. The wastewater treatment plant of claim 4, further comprising a flow meter disposed at the inlet conduit for monitoring the real-time flow of wastewater.
6. A wastewater treatment system comprising a conditioning tank, characterized by further comprising the wastewater treatment apparatus of any of claims 1 to 5 connected to the conditioning tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626256.1U CN210193606U (en) | 2019-04-30 | 2019-04-30 | Wastewater treatment system and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626256.1U CN210193606U (en) | 2019-04-30 | 2019-04-30 | Wastewater treatment system and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210193606U true CN210193606U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920626256.1U Active CN210193606U (en) | 2019-04-30 | 2019-04-30 | Wastewater treatment system and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210193606U (en) |
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2019
- 2019-04-30 CN CN201920626256.1U patent/CN210193606U/en active Active
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