CN209974486U - Device for treating various types of surfactant wastewater - Google Patents
Device for treating various types of surfactant wastewater Download PDFInfo
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- CN209974486U CN209974486U CN201920579438.8U CN201920579438U CN209974486U CN 209974486 U CN209974486 U CN 209974486U CN 201920579438 U CN201920579438 U CN 201920579438U CN 209974486 U CN209974486 U CN 209974486U
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Abstract
The utility model relates to a device for treating various types of surfactant wastewater, which comprises an acid-base adjusting tank, a coagulation tank, a sedimentation tank, an electrocatalytic oxidation tank, four main water treatment tanks, a pump power system, a dosing system and a control system; the acid-base adjusting tank is connected with one end of the coagulation reaction tank, the other end of the coagulation reaction tank is connected with one end of the sedimentation tank, and one end of the sedimentation tank is connected with one end of the electrocatalytic oxidation tank; the dosing system is connected with the acid-base adjusting tank, the coagulation tank and the electrocatalytic oxidation tank; the control system is connected with the pump power system and the dosing system through signals. The utility model has the advantages of mild reaction, thorough pollutant degradation, stable treatment effect, high effluent standard reaching rate, no secondary pollution, compact structure and small occupied area.
Description
Technical Field
The utility model discloses a wastewater treatment device, in particular to a device for treating various types of surfactant wastewater.
Background
The surfactant is an organic compound capable of reducing surface tension, has the functions of dispersing, emulsifying, solubilizing, foaming, washing, lubricating, preventing corrosion and sterilizing, can be applied to the industries of detergents, chemical engineering, light industry, food, petroleum industry, textile, medicine, plastics, leather, metal processing, cosmetics, industrial emulsification, printing and dyeing, oil extraction, mineral separation and the like, and can greatly improve the production process and the product performance. With the continuous expansion of the application range and the expansion of the application field, the consumption of the fuel is increased year by year. The use of a large amount of surfactant leads to the annual expansion of polluted water areas, causes the deterioration of ecological environment, the exhaustion of coastal biological resources and the sharp reduction of biological diversity, and also influences the biochemical process in the sewage treatment process. Therefore, the treatment of surfactant waste water is increasingly receiving attention from the relevant entities. The surfactant wastewater treatment method comprises a plurality of methods, such as a foam separation method, an adsorption method, a coagulation method, a photocatalytic oxidation method, a biological method and the like, which are commonly used, but because the surfactant wastewater belongs to high-concentration organic wastewater, the traditional treatment method has the defects of long treatment time period, incomplete treatment, complex process, secondary pollution and the like. Thus, a combined coagulation and electrocatalytic oxidation process has been proposed for the treatment of surfactant wastewater. By the combined treatment method, the surfactant in the wastewater can be treated in a coagulation process and degraded in an electrocatalytic oxidation process. Finally, the biodegradability of the wastewater can be improved, and the surfactant can be completely mineralized through further oxidation to realize harmlessness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, be convenient for change filler, safety, low energy consumption can handle high concentration, difficult biodegradable, the device of the multiple type surfactant waste water of easy foaminess realizes the processing and the innoxiousness of multiple surfactant waste water.
The utility model discloses a realize through following technical scheme:
a device for treating various types of surfactant wastewater comprises an acid-base adjusting tank, a coagulation reaction tank, a sedimentation tank, an electrocatalytic oxidation tank, a pump power system, a dosing system and a control system; one end of the acid-base adjusting tank is provided with a water inlet, the other end of the acid-base adjusting tank is connected with one end of the coagulation reaction tank, the other end of the coagulation reaction tank is connected with one end of the sedimentation tank, the other end of the sedimentation tank is connected with one end of the electrocatalytic oxidation tank, and the other end of the electrocatalytic oxidation tank is provided with a water outlet; the dosing system is respectively connected with the acid-base adjusting tank, the coagulation reaction tank and the electrocatalytic oxidation tank; the control system is respectively connected with the pump power system and the dosing system through signals.
Further, a liquid level meter, a temperature control device, a stirring device and a pH meter are arranged in the acid-base adjusting tank; the liquid level meter feeds back liquid level information in the acid-base adjusting tank to the control system at any time, and the lower limit and the upper limit of the water quantity are set through the control system; when the water quantity reaches the lower limit, the liquid level meter can feed back to the control system, and the water outlet pump of the acid-base adjusting tank is closed through the control system; when the water quantity reaches the upper limit, the liquid level meter can feed back to the control system, and the water inlet pump of the acid-base adjusting tank is automatically closed through the control system; when the water amount is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the acid-base adjusting tank are in an open state, so that the water amount is in a relatively stable state; the temperature control device is used for controlling the liquid temperature in the acid-base adjusting tank; the temperature control device feeds back the temperature of the liquid in the acid-base regulation pool to the control system, the lower limit and the upper limit of the temperature are set through the control system, when the temperature reaches the lower limit, the temperature control device feeds back to the control system, and the heating device in the temperature control device is turned off through the control system; when the temperature reaches the upper limit, the temperature control device feeds back to the control system, and a heating device in the temperature control device is turned on through the control system; the stirring device is arranged at the bottom of the acid-base adjusting tank and is used for uniformly mixing the wastewater through stirring; the pH meter transmits the measured numerical value signal to the control system, and the control system compares the numerical value transmitted by the pH meter with a preset numerical value so as to control the dosing pump to add acid or alkali medicament into the acid-base adjusting tank.
Furthermore, a liquid level meter, a temperature control device, a stirring device and a pH meter are arranged in the coagulation reaction tank; the liquid level meter feeds the liquid level in the coagulation reaction tank back to the control system at any time, the lower limit and the upper limit of the water quantity are set through the control system, when the water quantity reaches the lower limit, the liquid level meter feeds back to the control system, and the water outlet pump of the coagulation reaction tank is closed through the control system; when the water quantity reaches the upper limit, the liquid level meter can feed back to the control system, and the water inlet pump of the coagulation reaction tank is automatically closed through the control system; when the water amount is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the coagulation reaction tank are in an open state, so that the water amount is in a relatively stable state; the temperature control device is used for controlling the temperature of liquid in the coagulation reaction tank; the temperature control device feeds back the temperature of the liquid in the coagulation reaction tank to the control system, the lower limit and the upper limit of the temperature are set through the control system, when the temperature reaches the lower limit, the temperature control device feeds back to the control system, and the heating device of the temperature control device is turned off through the control system; when the temperature reaches the upper limit, the temperature control device feeds back to the control system, and a heating device of the temperature control device is turned on through the control system; the stirring device is arranged at the bottom of the coagulation reaction tank, and the wastewater is uniformly mixed through stirring; the pH meter transmits the measured value signal to the control system, and the control system compares the value transmitted by the pH meter with a preset value so as to control the dosing pump to add acid or alkali medicament into the coagulation reaction tank.
Furthermore, a liquid level meter is arranged in the sedimentation tank and can feed back to the control system, and a water outlet pump of the sedimentation tank is closed through the control system; when the water quantity reaches the upper limit, the liquid level meter can feed back to the control system, and the water inlet pump of the sedimentation tank is automatically closed through the control system; when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the sedimentation tank are in an open state, so that the water quantity is in a relatively stable state; the lower part of the sedimentation tank is provided with a sludge production hopper, and the sludge production hopper is provided with a valve for discharging sludge in the sedimentation tank.
Further, a liquid level instrument, an aeration device and a pH meter are arranged in the electrocatalytic oxidation tank; the liquid level meter feeds back liquid level information in the electrocatalytic oxidation tank to the control system at any time, and the lower limit and the upper limit of the water quantity are set through the control system; when the water quantity reaches the lower limit, the liquid level instrument feeds back to the control system, and the water outlet pump of the electrocatalytic oxidation pond is closed through the control system; when the water quantity reaches the upper limit, the liquid level instrument feeds back to the control system, and the control system automatically turns off a water inlet pump of the electrocatalytic oxidation tank; when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the electrocatalytic oxidation tank are in an open state, so that the water quantity is in a relatively stable state; the aeration device is arranged at the bottom of the electrocatalytic oxidation tank; the pH meter transmits the measured value signal to the control system, and the control system compares the value transmitted by the pH meter with a preset value so as to control the addition of acid or alkali medicament into the medicament-adding pump electro-catalytic oxidation tank.
Furthermore, the anode material of the electrocatalytic oxidation tank is a ruthenium iridium electrode, and the cathode is a stainless steel electrode.
Further, the pump power system is a centrifugal pump.
Further, the dosing system comprises a dosing tank and a dosing pump, the dosing tank is connected with the dosing pump, and the dosing pump is respectively connected with the acid-base adjusting tank, the coagulation reaction tank and the electrocatalytic oxidation tank.
Further, the dosing pump adopts a peristaltic pump or an electromagnetic pump.
The utility model has the advantages that:
(1) compared with a single coagulation method, the device adds an advanced oxidation technology of electrocatalytic oxidation, so that the degradation of the surfactant is more thorough, and the removal effect is better.
(2) Compared with the electrocatalytic oxidation method which is used independently, the device adds the coagulation technology, so that the type of the removed surfactant is enlarged, the removed concentration range is wider, and the cost is lower.
To sum up, device technology has that reaction is mild, the treatment effeciency is high, the degradation is thorough, area is little, a great deal of advantage such as treatment range is wide, has very high utility model and worth, and application prospect is wide.
Drawings
FIG. 1 is a flow chart of an apparatus for treating wastewater containing various types of surfactants according to the present invention.
In the figure, 1-a pump power system, 2-an acid-base adjusting tank, 3-a coagulation reaction tank, 4-a sedimentation tank, 5-an electrocatalytic oxidation tank, 6-a mud bucket, 7-a temperature control device, 8-an aeration device, 9-a stirring device, 10-a liquid level meter, 11-a pH meter, 12-a dosing tank, 13-a dosing pump, 14-a control system and 15-an automatic control operation panel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example (b): as shown in figure 1, the utility model relates to a handle device of multiple type surfactant waste water, the main part comprises an acid-base equalizing basin 2, a coagulation reaction tank 3, a sedimentation tank 4 and an electrocatalytic oxidation pond 5, and they all adopt strong corrosion-resistant and temperature resistant material to process and form. The power of the whole water treatment system is provided by a pump power system 1 (a centrifugal pump), and a control system 14 controls the automatic opening or closing of the centrifugal pump. The acid-base adjusting tank 2 is mainly used for adjusting the acid-base property of various types of surfactant wastewater to be treated so as to be beneficial to the treatment of the coagulation process. The acid-base adjusting tank 2 is internally provided with a temperature control device 7, a liquid level meter 10, a stirring device 9 and a pH meter 11. The pH meter 11 can control the dosing pump 13 to add acid-base medicament according to a preset numerical value, and automatically adjust to a set target. The temperature control device 7 can also realize automatic accurate control of the temperature of the wastewater. The stirring device 9 can uniformly mix the wastewater by stirring. The liquid level meter 10 feeds the liquid level back to the control system 14 from time to time, so that the liquid level is accurately controlled, when the water amount reaches a lower limit, the liquid level meter 10 feeds back to the control system 14, and the water outlet pump is turned off through the control system 14; when the water amount reaches the upper limit, the liquid level meter 10 feeds back to the control system 14, and the water inlet pump is automatically turned off through the control system 14; when the water quantity is between the upper limit and the lower limit, the water inlet pump and the water outlet pump are in an open state, so that the water quantity is in a relatively stable state. The wastewater after the acid-base regulation treatment is pumped into a coagulation reaction tank 3, a temperature control device 7, a stirring device 9, a pH meter 11 and a liquid level meter 10 are arranged in the coagulation reaction tank, and the coagulation reaction tank is controlled to be automatically opened or closed by an operation program preset by a control system 14. The acid-base regulator in the dosing tank 12 is added into the coagulation reaction tank 3 by a dosing pump 13, and the dosing amount of the acid-base regulator is controlled by a control system 14. The waste water enters a sedimentation tank 4 after coagulation treatment, a liquid level instrument 10 is arranged in the sedimentation tank, a mud production bucket 6 is arranged at the lower part of the sedimentation tank 4, after a certain sedimentation time in the sedimentation tank 4, the sediment enters the mud production bucket 6, and the supernatant enters an electrocatalytic oxidation tank 5. The clarified liquid is pumped into an electrocatalytic oxidation tank 5, an aeration device 8, a liquid level meter 10 and a pH meter 11 are arranged in the clarified liquid, an acid-base medicament is added into the clarified liquid through a medicament adding pump 13 by a control system 14 according to a preset pH value, the pH meter 11 feeds back the pH value of the wastewater at any time, and the medicament adding pump 13 is closed after a target value is reached, so that the pH condition required by an electrocatalytic oxidation process is realized. After a certain time, the treated clean water is discharged out of the device in the electrocatalytic oxidation tank 5, and a valve of a sludge producing hopper 6 is opened periodically to discharge sludge. The utility model discloses a full-automatic operation mode, consequently, above-mentioned process all sends the instruction through automatic control operating panel 15, is implemented by above-mentioned process of control system 14 control.
The above embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the present embodiment, and are within the protection scope of the present invention.
Claims (9)
1. An apparatus for treating wastewater containing various types of surfactants, comprising: the device comprises an acid-base adjusting tank (2), a coagulation reaction tank (3), a sedimentation tank (4), an electrocatalytic oxidation tank (5), a pump power system (1), a dosing system and a control system (14); one end of the acid-base adjusting tank (2) is provided with a water inlet, the other end of the acid-base adjusting tank is connected with one end of the coagulation reaction tank (3), the other end of the coagulation reaction tank (3) is connected with one end of the sedimentation tank (4), the other end of the sedimentation tank (4) is connected with one end of the electrocatalytic oxidation tank (5), and the other end of the electrocatalytic oxidation tank (5) is provided with a water outlet; the dosing system is respectively connected with the acid-base adjusting tank (2), the coagulation reaction tank (3) and the electrocatalytic oxidation tank (5); the control system (14) is respectively connected with the pump power system (1) and the dosing system through signals.
2. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: a liquid level meter (10), a temperature control device (7), a stirring device (9) and a pH meter (11) are arranged in the acid-base adjusting tank (2);
the liquid level meter (10) feeds back liquid level information in the acid-base adjusting tank (2) to the control system (14) at any time, and the lower limit and the upper limit of the water quantity are set through the control system (14); when the water quantity reaches the lower limit, the liquid level meter (10) feeds back to the control system (14), and the water outlet pump of the acid-base adjusting tank (2) is closed through the control system (14); when the water quantity reaches the upper limit, the liquid level meter (10) feeds back to the control system (14), and the water inlet pump of the acid-base adjusting tank (2) is automatically closed through the control system (14); when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the acid-base adjusting tank (2) are in an open state, so that the water quantity is in a relatively stable state;
the temperature control device (7) is used for controlling the temperature of the liquid in the acid-base adjusting tank (2); the temperature control device (7) feeds back the temperature of the liquid in the acid-base adjusting tank (2) to the control system (14), the lower limit and the upper limit of the temperature are set through the control system (14), when the temperature reaches the lower limit, the temperature control device (7) feeds back to the control system (14), and the heating device in the temperature control device (7) is turned off through the control system (14); when the temperature reaches the upper limit, the temperature control device (7) feeds back to the control system (14), and a heating device in the temperature control device (7) is turned on through the control system (14);
the stirring device (9) is arranged at the bottom of the acid-base adjusting tank (2) and is used for uniformly mixing the wastewater through stirring;
the pH meter (11) transmits a measured value signal to the control system (14), and the control system (14) compares the value transmitted by the pH meter (11) with a preset value, and further controls the dosing pump (13) to add acid or alkali medicament into the acid-base adjusting tank (2).
3. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: a liquid level meter (10), a temperature control device (7), a stirring device (9) and a pH meter (11) are arranged in the coagulation reaction tank (3);
the liquid level meter (10) feeds the liquid level in the coagulation reaction tank (3) back to the control system (14) at any time, the lower limit and the upper limit of the water quantity are set through the control system (14), when the water quantity reaches the lower limit, the liquid level meter (10) feeds back to the control system (14), and the water outlet pump of the coagulation reaction tank (3) is closed through the control system (14); when the water quantity reaches the upper limit, the liquid level meter (10) feeds back to the control system (14), and the water inlet pump of the coagulation reaction tank (3) is automatically closed through the control system (14); when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the coagulation reaction tank (3) are in an open state, so that the water quantity is in a relatively stable state;
the temperature control device (7) is used for controlling the temperature of the liquid in the coagulation reaction tank (3); the temperature control device (7) feeds back the temperature of the liquid in the coagulation reaction tank (3) to the control system (14), sets the lower limit and the upper limit of the temperature through the control system (14), when the temperature reaches the lower limit, the temperature control device (7) feeds back to the control system (14), and the heating device of the temperature control device (7) is closed through the control system (14); when the temperature reaches the upper limit, the temperature control device (7) feeds back to the control system (14), and the heating device of the temperature control device (7) is turned on through the control system (14);
the stirring device (9) is arranged at the bottom of the coagulation reaction tank (3) and is used for uniformly mixing the wastewater through stirring;
the pH meter (11) transmits the measured value signal to the control system (14), and the control system (14) compares the value transmitted by the pH meter (11) with a preset value, and further controls the dosing pump (13) to add acid or alkali medicament into the coagulation reaction tank (3).
4. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: a liquid level meter (10) is arranged in the sedimentation tank (4), the liquid level meter (10) can feed back to the control system (14), and a water outlet pump of the sedimentation tank (4) is closed through the control system (14); when the water quantity reaches the upper limit, the liquid level meter (10) feeds back to the control system (14), and the water inlet pump of the sedimentation tank (4) is automatically closed through the control system (14); when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the sedimentation tank (4) are in an open state, so that the water quantity is in a relatively stable state; the lower part of the sedimentation tank (4) is provided with a sludge producing hopper (6), and the sludge producing hopper (6) is provided with a valve for discharging sludge in the sedimentation tank (4).
5. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: a liquid level meter (10), an aeration device (8) and a pH meter (11) are arranged in the electrocatalytic oxidation tank (5);
the liquid level meter (10) feeds back liquid level information in the electrocatalytic oxidation tank (5) to the control system (14) at any time, and the lower limit and the upper limit of the water quantity are set through the control system (14); when the water quantity reaches the lower limit, the liquid level meter (10) feeds back to the control system (14), and the water outlet pump of the electrocatalytic oxidation tank (5) is closed through the control system (14); when the water quantity reaches the upper limit, the liquid level meter (10) feeds back to the control system (14), and the water inlet pump of the electrocatalytic oxidation tank (5) is automatically closed through the control system (14); when the water quantity is between the upper limit and the lower limit, a water inlet pump and a water outlet pump of the electrocatalytic oxidation tank (5) are in an open state, so that the water quantity is in a relatively stable state;
the aeration device (8) is arranged at the bottom of the electrocatalytic oxidation tank (5);
the pH meter (11) transmits a measured value signal to the control system (14), and the control system (14) compares the value transmitted by the pH meter (11) with a preset value, so as to control the medicine adding pump (13) to electrically catalyze the oxidation tank (5) to add acid or alkali medicine.
6. The apparatus for treating wastewater containing various types of surfactants according to claim 5, wherein: the anode material of the electrocatalytic oxidation tank (5) is a ruthenium iridium electrode, and the cathode is a stainless steel electrode.
7. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: the pump power system (1) is a centrifugal pump.
8. The apparatus for treating wastewater containing various types of surfactants according to claim 1, wherein: the dosing system comprises a dosing tank (12) and a dosing pump (13), the dosing tank (12) is connected with the dosing pump (13), and the dosing pump (13) is respectively connected with an acid-base adjusting tank (2), a coagulation reaction tank (3) and an electrocatalytic oxidation tank (5).
9. The apparatus for treating wastewater containing various types of surfactants according to claim 8, wherein: the dosing pump (13) adopts a peristaltic pump or an electromagnetic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579438.8U CN209974486U (en) | 2019-04-26 | 2019-04-26 | Device for treating various types of surfactant wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579438.8U CN209974486U (en) | 2019-04-26 | 2019-04-26 | Device for treating various types of surfactant wastewater |
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| Publication Number | Publication Date |
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| CN209974486U true CN209974486U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920579438.8U Active CN209974486U (en) | 2019-04-26 | 2019-04-26 | Device for treating various types of surfactant wastewater |
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