CN214327492U - Automatic sewage treatment system - Google Patents
Automatic sewage treatment system Download PDFInfo
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- CN214327492U CN214327492U CN202120550204.8U CN202120550204U CN214327492U CN 214327492 U CN214327492 U CN 214327492U CN 202120550204 U CN202120550204 U CN 202120550204U CN 214327492 U CN214327492 U CN 214327492U
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Abstract
The utility model relates to an automatic sewage treatment system, which belongs to the technical field of sewage treatment and comprises a sewage pump, a waste liquid tank, a SBR pool, a defoaming agent tank, a clean water pool and a control computer, wherein the sewage pump is connected with the waste liquid tank through a pipeline, the waste liquid tank is connected with the SBR pool, the defoaming agent tank is connected with the SBR pool, and the SBR pool is connected with the clean water pool; install the level gauge in waste liquid jar, SBR pond and the clear water pond, install online ammonia nitrogen detector in SBR pond and the clear water pond, the waste liquid jar with be equipped with the motorised valve between the SBR pond, the defoaming agent jar with be equipped with the motorised valve between the SBR pond, level gauge, online ammonia nitrogen detector, motorised valve, SBR pond all are correlated with the control computer. The automatic sewage treatment system can control the waste liquid to be treated very accurately in a timing and quantitative mode, so that the treatment efficiency is improved, and the risk of illegal discharge is reduced.
Description
Technical Field
The utility model relates to an automatic sewage treatment system belongs to sewage treatment technical field.
Background
In the industrial production process of urea, a large amount of moisture can be contained in the urea waste liquid discharged from a purification workshop, in order to reduce the waste liquid treatment cost, the waste liquid is generally treated by distillation and concentration, the distilled waste liquid is directly discharged to a sewage station for treatment, but excessive discharge can lead to the sewage station not to treat in time and cause the ammonia nitrogen to exceed the standard.
The conventional sewage station comprises a grating pool, an adjusting pool, a SBR1 pool, a SBR2 pool and a clean water pool, the treatment process is that all sewage in a plant area enters the grating pool, the sewage is discharged to the adjusting pool after the high liquid level of the grating pool, the adjusting pool regularly feeds water to the SBR1 pool and the SBR2 pool, 2 SBR pools carry out aeration operation according to set time to treat the sewage, the sewage is discharged to the clean water pool after the treatment is finished, and the clean water pool automatically discharges into a municipal pipe network according to the high liquid level and the low liquid level. The whole treatment process needs manual control of each step, the problem of unqualified waste liquid treatment is avoided, the manual input is high, and the treatment efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide an automatic sewage treatment system, automatic sewage treatment system can be regularly quantitative very accurate control the waste liquid that will handle, improve the treatment effeciency, reduce the risk of the discharge of violating the regulations.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an automatic sewage treatment system comprises a sewage pump, a waste liquid tank, an SBR pool, an antifoaming agent tank, a clean water pool and a control computer, wherein an outlet of the sewage pump is connected with an inlet of the waste liquid tank through a pipeline, an outlet of the waste liquid tank is connected with an inlet of the SBR pool through a pipeline, an outlet of the antifoaming agent tank is connected with an inlet of the SBR pool through a pipeline, and an outlet of the SBR pool is connected with the clean water pool through a pipeline;
install the level gauge in waste liquid jar, SBR pond and the clear water pond, install online ammonia nitrogen detector in SBR pond and the clear water pond, the waste liquid jar with be equipped with the motorised valve on the connecting line between the SBR pond, the defoaming agent jar with be equipped with the motorised valve on the connecting line between the SBR pond, level gauge, online ammonia nitrogen detector, motorised valve, SBR pond all with the control computer is correlated with.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further, the SBR pond include first SBR pond and second SBR pond, first SBR pond and second SBR pond are parallelly connected each other, all install the level gauge in first SBR pond and the second SBR pond, all install online ammonia nitrogen detector in first SBR pond and the second SBR pond. The parallel arrangement of the first SBR tank and the second SBR tank can increase the sewage aeration treatment capacity and improve the treatment efficiency.
Further, the sewage pump be stainless steel stealthy dirty pump, sewage pump's voltage 220V, flow 10m3/h, 8 meters of lift, the sewage pump is from taking floater control switch, sewage treatment system includes the waste liquid and collects the pit, and distillation exhaust waste liquid is arranged to the waste liquid and is collected the pit in, the sewage pump is installed in the waste liquid is collected the pit.
Furthermore, the outlet of the sewage pump is connected with a first stop valve and a second stop valve, the second stop valve is positioned on a connecting pipeline between the sewage pump and the waste liquid tank, the first stop valve is positioned between the sewage pump and the second stop valve, the inlet of the first stop valve is connected with the outlet of the sewage pump through a pipeline, and the outlet of the first stop valve is connected with the temporary storage tank through a pipeline.
Further, the first stop valve is a stainless steel stop valve, and the second stop valve is a stainless steel stop valve.
Further, the liquid level meter is a capacitance type liquid level meter, the liquid level meter inputs DC24V and outputs 4-20 mA; the measurement range of the online ammonia nitrogen detector is 0-400 mg/L.
Further, the waste liquid tank is a 1000L glass fiber reinforced plastic storage tank, and the defoaming agent tank is a 100L glass fiber reinforced plastic storage tank.
Further, the electric valve is a stainless steel electric ball valve.
The utility model has the advantages that: the method comprises the steps that waste liquid obtained by distilling urea waste liquid enters a waste liquid collecting pit, when the waste liquid is not required to be treated, a second stop valve is closed, a first stop valve is opened, when the waste liquid is required to be treated, the first stop valve is closed, a second stop valve is opened, the waste liquid is discharged into a waste liquid tank through a sewage pump, an electric valve between the waste liquid tank and an SBR tank is opened, the waste liquid to be treated is quantitatively added into the SBR tank through the control of the height and the liquid level of a liquid level meter according to the program parameter setting of a control computer, after the waste liquid is quantitatively added, the electric valve between the waste liquid tank and the SBR tank is automatically closed, the SBR tank automatically runs according to the set time, a large amount of foam is generated during the running of the SBR tank, the defoaming agent is opened between the defoaming agent tank and the SBR tank according to the program parameter setting of the control computer, the defoaming agent is periodically and quantitatively added into the SBR tank, and the SBR tank runs for a certain time, when the on-line ammonia nitrogen detector detects that the ammonia nitrogen value in the SBR tank is lower than 45mg/L, the aeration of the SBR tank stops running, the SBR tank enters the standing time, and the sewage after standing is automatically discharged to a clean water tank to finish the treatment of the waste liquid. The automatic sewage treatment system can control the waste liquid to be treated very accurately in a timing and quantitative mode, so that the treatment efficiency is improved, and the risk of illegal discharge is reduced.
Drawings
FIG. 1 is a schematic view of an automatic sewage treatment system according to an embodiment;
FIG. 2 is a layout of a defoamer tank and a waste liquid tank in a sewage treatment system;
in the figure, 1 sewage pump, 2 waste liquid jar, 3 defoaming agent jar, 4 clean water ponds, 5 level gauge, 6 online ammonia nitrogen detector, 7 motorised valves, 8 first SBR ponds, 9 second SBR ponds, 10 first stop valves, 11 second stop valves, 12 temporary storage tanks.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in the figure, the automatic sewage treatment system comprises a sewage pump 1, a waste liquid tank 2, an SBR pool, an antifoaming agent tank 3, a clean water pool 4 and a control computer, wherein an outlet of the sewage pump 1 is connected with an inlet of the waste liquid tank 2 through a pipeline, an outlet of the waste liquid tank 2 is connected with an inlet of the SBR pool through a pipeline, an outlet of the antifoaming agent tank 3 is connected with an inlet of the SBR pool through a pipeline, and an outlet of the SBR pool is connected with the clean water pool 4 through a pipeline;
install level gauge 5 in waste liquid jar 2, SBR pond and the clean water basin 4, install online ammonia nitrogen detector 6 in SBR pond and the clean water basin 4, waste liquid jar 2 with be equipped with motorised valve 7 on the connecting line between the SBR pond, defoaming agent jar 3 with be equipped with motorised valve 7 on the connecting line between the SBR pond, level gauge 5, online ammonia nitrogen detector 6, motorised valve 7, SBR pond all with control computer is correlated with.
The SBR pond include first SBR pond 8 and second SBR pond 9, first SBR pond 8 and second SBR pond 9 are parallelly connected each other, all install level gauge 5 in first SBR pond 8 and the second SBR pond 9, all install online ammonia nitrogen detector 6 in first SBR pond 8 and the second SBR pond 9.
The sewage pump 1 is a stainless steel submersible sewage pump, and the sewage pump 1 has the voltage of 220V and the flow of 10m3The sewage treatment system comprises a waste liquid collecting pit, waste liquid discharged by distillation is discharged into the waste liquid collecting pit, and the sewage pump 1 is installed in the waste liquid collecting pit.
The outlet of the sewage pump 1 is connected with a first stop valve 10 and a second stop valve 11, the second stop valve 11 is positioned on a connecting pipeline between the sewage pump 1 and the waste liquid tank 2, the first stop valve 10 is positioned between the sewage pump 1 and the second stop valve 11, the inlet of the first stop valve 10 is connected with the outlet of the sewage pump 1 through a pipeline, and the outlet of the first stop valve 10 is connected with a temporary storage tank 12 through a pipeline. The first stop valve 10 is a stainless steel stop valve (DN40), and the second stop valve 11 is a stainless steel stop valve (DN 40). The liquid level meter 5 is a capacitance type liquid level meter, and the liquid level meter 5 inputs DC24V and outputs 4-20 mA; the measurement range of the online ammonia nitrogen detector 6 is 0-400 mg/L. The waste liquid tank 2 is a 1000L glass fiber reinforced plastic storage tank, and the defoaming agent tank 3 is a 100L glass fiber reinforced plastic storage tank. The electric valve 7 is a stainless steel electric ball valve (220V, DN 25).
The working principle is as follows:
the method comprises the steps that the waste liquid of urea after distillation enters a waste liquid collecting pit, a DN40 stainless steel pipeline is buried along the ground between a sewage pump 1 and a waste liquid tank 2, when the waste liquid is not required to be treated, a second stop valve 11 is closed, a first stop valve 10 is opened, the waste liquid is filled into a temporary storage tank 12, when the waste liquid is required to be treated, the first stop valve 10 is closed, the second stop valve 11 is opened, the waste liquid is discharged into the waste liquid tank 2 through the sewage pump 1, an electric valve 7 between the waste liquid tank 2 and an SBR tank is opened, according to the program parameter setting of a control computer, the waste liquid to be treated is quantitatively added into the SBR tank through the control of a liquid level meter 5 (numerical values of a low liquid level and a high liquid level can be arbitrarily adjusted), the amount of the waste liquid to be treated is randomly adjusted according to the numerical value of the liquid level of the SBR tank and has a logical relation, for example, 30 percent of the waste liquid level of the SBR tank is added when the liquid level value is 100 percent, when the concentration of the waste liquid is 90%, the waste liquid to be treated is not added when the concentration of the waste liquid is lower than 60%, all parameters are adjusted freely according to actual operation), after the quantitative addition of the waste liquid is finished, an electric valve 7 between a waste liquid tank 2 and an SBR tank is automatically closed, the SBR tank automatically operates according to set time, a large amount of foam can be generated during the operation of the SBR tank, the electric valve between an antifoaming agent tank 3 and the SBR tank is opened according to the program parameter setting of a control computer (the opening and closing of the electric valve are set through the control computer), an antifoaming agent is added into the SBR tank regularly and quantitatively, the SBR tank operates for a certain time, when the ammonia nitrogen value in the SBR tank is measured by an online ammonia nitrogen detector 6 to be lower than 45mg/L, the aeration of the SBR tank is stopped, the standing time is entered (the standing time parameter is adjustable), the sewage after the standing is automatically discharged to a clean water tank 4, and the treatment of the waste liquid is finished. The automatic sewage treatment system can control the waste liquid to be treated very accurately in a timing and quantitative mode, so that the treatment efficiency is improved, and the risk of illegal discharge is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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 (8)
1. An automatic sewage treatment system is characterized by comprising a sewage pump (1), a waste liquid tank (2), an SBR pool, an antifoaming agent tank (3), a clean water pool (4) and a control computer, wherein the outlet of the sewage pump (1) is connected with the inlet of the waste liquid tank (2) through a pipeline, the outlet of the waste liquid tank (2) is connected with the inlet of the SBR pool through a pipeline, the outlet of the antifoaming agent tank (3) is connected with the inlet of the SBR pool through a pipeline, and the outlet of the SBR pool is connected with the clean water pool (4) through a pipeline;
install level gauge (5) in waste liquid jar (2), SBR pond and clean water basin (4), install online ammonia nitrogen detector (6) in SBR pond and clean water basin (4), waste liquid jar (2) with be equipped with motorised valve (7) on the connecting line between the SBR pond, defoaming agent jar (3) with be equipped with motorised valve (7) on the connecting line between the SBR pond, level gauge (5), online ammonia nitrogen detector (6), motorised valve (7), SBR pond all with the control computer is correlated with.
2. The automated wastewater treatment system according to claim 1, wherein the SBR pool comprises a first SBR pool (8) and a second SBR pool (9), the first SBR pool (8) and the second SBR pool (9) are connected in parallel, the first SBR pool (8) and the second SBR pool (9) are both provided with liquid level meters (5), and the first SBR pool (8) and the second SBR pool (9) are both provided with online ammonia nitrogen detectors (6).
3. An automatic sewage treatment system according to claim 1, characterized in that said sewage pump (1) is a stainless steel submersible sewage pump, said sewage pump (1) having a voltage of 220V and a flow rate of 10m3The sewage treatment system comprises a waste liquid collecting pit, waste liquid discharged by distillation is discharged into the waste liquid collecting pit, and the sewage pump (1) is installed in the waste liquid collecting pit.
4. An automatic sewage treatment system according to claim 1, characterised in that a first stop valve (10) and a second stop valve (11) are connected at the outlet of the sewage pump (1), said second stop valve (11) being located in the connecting line between the sewage pump (1) and the waste liquid tank (2), said first stop valve (10) being located between the sewage pump (1) and the second stop valve (11), the inlet of said first stop valve (10) being connected to the outlet of the sewage pump (1) by a pipeline, the outlet of said first stop valve (10) being connected to the temporary storage tank (12) by a pipeline.
5. An automatic sewage treatment system according to claim 4, characterised in that said first shut-off valve (10) is a stainless steel shut-off valve and said second shut-off valve (11) is a stainless steel shut-off valve.
6. An automatic sewage treatment system according to claim 1 wherein said level meter (5) is a capacitive level meter, said level meter (5) having an input of DC24V and an output of 4-20 mA; the measurement range of the online ammonia nitrogen detector (6) is 0-400 mg/L.
7. An automatic sewage treatment system according to claim 1 wherein said waste liquid tank (2) is a 1000L glass fiber reinforced plastic tank and said defoamer tank (3) is a 100L glass fiber reinforced plastic tank.
8. An automatic sewage treatment system according to claim 1 wherein said electric valve (7) is a stainless steel electric ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120550204.8U CN214327492U (en) | 2021-03-17 | 2021-03-17 | Automatic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120550204.8U CN214327492U (en) | 2021-03-17 | 2021-03-17 | Automatic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214327492U true CN214327492U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120550204.8U Active CN214327492U (en) | 2021-03-17 | 2021-03-17 | Automatic sewage treatment system |
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| Country | Link |
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| CN (1) | CN214327492U (en) |
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2021
- 2021-03-17 CN CN202120550204.8U patent/CN214327492U/en active Active
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