CN113860635A - Method for treating sewage of aluminum alloy cooker - Google Patents
Method for treating sewage of aluminum alloy cooker Download PDFInfo
- Publication number
- CN113860635A CN113860635A CN202111086617.6A CN202111086617A CN113860635A CN 113860635 A CN113860635 A CN 113860635A CN 202111086617 A CN202111086617 A CN 202111086617A CN 113860635 A CN113860635 A CN 113860635A
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- Prior art keywords
- spraying
- sewage
- biochemical
- sludge
- tank
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/14—Paint wastes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention discloses a sewage treatment method for an aluminum alloy cooker, which comprises the following steps: a pipeline is arranged in the sludge concentration tank, so that the sludge in the sludge concentration tank is conveyed into a spraying biochemical sewage adjusting tank; step two: sludge generated by the physicochemical treatment of the sewage is periodically discharged into a sludge concentration tank, and enough sludge is ensured to be available in the sludge concentration tank at any time for the spraying biochemical regulation tank to treat the biochemical sewage; step three: pumping the spraying biochemical sewage from the spraying biochemical sewage collecting tank to a spraying biochemical sewage adjusting tank; step four: conveying the sludge in the sludge concentration tank into a spraying biochemical sewage adjusting tank, mechanically stirring or aerating and stirring for about 30 minutes, and uniformly mixing; step five: and adding polyacrylamide solution into the uniformly mixed biochemical spraying sewage to see the precipitation effect. The invention has the advantages of generating the coprecipitation effect of aluminum hydroxide and other precipitates, saving a large amount of sewage and sludge treatment cost, improving the production efficiency, saving resources and protecting the environment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method for an aluminum alloy cooker.
Background
At present, a large amount of materialized sewage is generated in the processes of etching, cleaning and the like in the production of the aluminum alloy cooker industry, spraying biochemical sewage is generated by scattering organic solvents, coatings and the like in the spraying of a cooker body, and the spraying biochemical sewage is difficult to treat, so that the materialized sewage and the biochemical sewage are treated by two systems. The existing spraying biochemical sewage treatment is best in demulsification by adding sulfuric acid to adjust the PH value number 2, then composite alkali is added, a coagulant is precipitated, precipitated sludge is discharged into a sludge concentration tank and then is pumped into a filter press to press slag, dry sludge is delivered to a qualified environmental protection company to be treated, water at a water outlet is clear and then enters the next link for anaerobic and aerobic treatment, but the demulsification requires acid first and then alkali, then the coagulant is added, so that a large amount of cost is consumed, and the cost is also required for producing new sludge treatment. Therefore, there is a need for improvements in the prior art to avoid the disadvantages of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for treating sewage of an aluminum alloy cooker with high production efficiency.
The invention is realized by the following technical scheme:
a sewage treatment method for an aluminum alloy cooker comprises the following steps,
the method comprises the following steps: a pipeline is arranged in the sludge concentration tank, so that the sludge in the sludge concentration tank is conveyed into a spraying biochemical sewage adjusting tank;
step two: sludge generated by the physicochemical treatment of the sewage is periodically discharged into a sludge concentration tank, and enough sludge is ensured to be available in the sludge concentration tank at any time for the spraying biochemical regulation tank to treat the biochemical sewage;
step three: pumping the spraying biochemical sewage from the spraying biochemical sewage collecting tank to a spraying biochemical sewage adjusting tank;
step four: conveying the sludge in the sludge concentration tank into a spraying biochemical sewage adjusting tank, mechanically stirring or aerating and stirring for about 30 minutes, and uniformly mixing;
step five: and (3) adding a polyacrylamide solution into the uniformly mixed spraying biochemical sewage to see the precipitation effect, and if the precipitation is good and the water quality is clear, pumping the spraying biochemical sewage into a precipitation tank for precipitation.
Step six: and (5) after the effluent is clear, entering the next anaerobic and aerobic treatment link.
Further, in the first step, a valve is installed on the pipeline.
Further, in the first step, a sludge pump is installed on the pipeline.
Further, in the second step, the pH value of the sewage after the physicochemical treatment is controlled to be about 7.
Further, in the third step, the spraying biochemical sewage pumped into the spraying biochemical sewage regulating reservoir accounts for 60-80% of the total volume of the spraying biochemical sewage regulating reservoir.
Further, in the fourth step, the sludge conveyed to the spraying biochemical regulating tank accounts for 10% -20% of the total volume of the spraying biochemical regulating tank.
Further, in the fifth step, spraying biochemical sewage after being mixed uniformly is beaten into a cup by a 1000ml plastic cup, and 0.5ml to 1ml of 0.5 percent polyacrylamide solution is added to see the precipitation effect.
Further, in the fifth step, if the precipitation is not good, adding a proper amount of sludge continuously, mechanically stirring or aerating and stirring for about 10 minutes, and observing the precipitation effect until the water precipitation is good and the water quality is clear.
Compared with the prior art, the invention discharges the sludge generated by treating the sewage by using the physicochemical system into the biochemical sewage spraying regulating tank for coagulating, precipitating and spraying impurities, paint and the like in the biochemical sewage, replaces the emulsion breaking process, does not need to add acid, alkali and coagulant, the biochemical sewage spraying is mainly colloid and a small part of suspended matters, the sludge added with the biochemical sewage for treating the physicochemical sewage compresses the colloid diffusion layer, the thickness of the diffusion layer is reduced, the potential is correspondingly reduced, the mutual repulsive force among the colloid is also reduced, the colloid can be rapidly condensed, aluminum ions cleaned and etched by an aluminum alloy cooker in the sludge and colloidal particles and fine suspended matters in the biochemical sewage spraying are mutually taken as crystal nuclei or adsorbates for net capture, the co-precipitation effect of aluminum hydroxide and other precipitates is generated, the large amount of cost for treating the sludge generated by adding the alkali and coagulant after adding acid is firstly used for emulsion breaking is saved, and the production cost is reduced, the production efficiency is improved, the resources are saved, and the environment is protected.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A sewage treatment method for an aluminum alloy cooker comprises the following steps,
the method comprises the following steps: a pipeline is arranged in the sludge concentration tank, so that the sludge in the sludge concentration tank is conveyed into a spraying biochemical sewage adjusting tank;
step two: sludge generated by the physicochemical treatment of the sewage is periodically discharged into a sludge concentration tank, and enough sludge is ensured to be available in the sludge concentration tank at any time for the spraying biochemical regulation tank to treat the biochemical sewage;
step three: pumping the spraying biochemical sewage from the spraying biochemical sewage collecting tank to a spraying biochemical sewage adjusting tank;
step four: conveying the sludge in the sludge concentration tank into a spraying biochemical sewage adjusting tank, mechanically stirring or aerating and stirring for about 30 minutes, and uniformly mixing;
step five: and (3) adding a polyacrylamide solution into the uniformly mixed spraying biochemical sewage to see the precipitation effect, and if the precipitation is good and the water quality is clear, pumping the spraying biochemical sewage into a precipitation tank for precipitation.
Step six: the effluent is clear and then enters the next anaerobic and aerobic treatment link
In the first step, a valve is arranged on the pipeline, so that the sludge conveying switch is controlled conveniently.
In the first step, a sludge pump is arranged on a pipeline, so that sludge can be conveniently conveyed into a spraying biochemical sewage adjusting tank.
In the second step, the PH value of the physicochemical treatment sewage is controlled to be about 7, which is beneficial to controlling the later-stage precipitation.
In the third step, the spraying biochemical sewage pumped into the spraying biochemical sewage regulating reservoir accounts for 60-80% of the total volume of the spraying biochemical sewage regulating reservoir, improves the utilization rate of the spraying biochemical sewage regulating reservoir, and is beneficial to the full reaction of colloidal particles and fine suspended matters of the spraying biochemical sewage and aluminum ions of sludge.
In the fourth step, the sludge conveyed to the spraying biochemical regulating tank accounts for 10-20% of the total volume of the spraying biochemical regulating tank, and aluminum ions in the sludge can fully react with colloidal particles and fine suspended matters in the spraying biochemical sewage.
In the fifth step, spraying biochemical sewage after being mixed evenly is beaten into a cup by a 1000ml plastic cup, and 0.5ml to 1ml of 0.5 percent polyacrylamide solution is added to see the precipitation effect.
And step five, if the precipitation is not good, adding a proper amount of sludge continuously, mechanically stirring or aerating and stirring for about 10 minutes, and observing the precipitation effect until the water precipitation is good and the water quality is clear.
Compared with the prior art, the invention discharges the sludge generated by treating the sewage by using the physicochemical system into the biochemical sewage spraying regulating tank for coagulating, precipitating and spraying impurities, paint and the like in the biochemical sewage, replaces the emulsion breaking process, does not need to add acid, alkali and coagulant, the biochemical sewage spraying is mainly colloid and a small part of suspended matters, the sludge added with the biochemical sewage for treating the physicochemical sewage compresses the colloid diffusion layer, the thickness of the diffusion layer is reduced, the potential is correspondingly reduced, the mutual repulsive force among the colloid is also reduced, the colloid can be rapidly condensed, aluminum ions cleaned and etched by an aluminum alloy cooker in the sludge and colloidal particles and fine suspended matters in the biochemical sewage spraying are mutually taken as crystal nuclei or adsorbates for net capture, the co-precipitation effect of aluminum hydroxide and other precipitates is generated, the large amount of cost for treating the sludge generated by adding the alkali and coagulant after adding acid is firstly used for emulsion breaking is saved, and the production cost is reduced, the production efficiency is improved, the resources are saved, and the environment is protected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A sewage treatment method for aluminum alloy cookers is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: a pipeline is arranged in the sludge concentration tank, so that the sludge in the sludge concentration tank is conveyed into a spraying biochemical sewage adjusting tank;
step two: sludge generated by the physicochemical treatment of the sewage is periodically discharged into a sludge concentration tank, and enough sludge is ensured to be available in the sludge concentration tank at any time for the spraying biochemical regulation tank to treat the biochemical sewage;
step three: pumping the spraying biochemical sewage from the spraying biochemical sewage collecting tank to a spraying biochemical sewage adjusting tank;
step four: conveying the sludge in the sludge concentration tank into a spraying biochemical sewage adjusting tank, mechanically stirring or aerating and stirring for about 30 minutes, and uniformly mixing;
step five: and (3) adding a polyacrylamide solution into the uniformly mixed spraying biochemical sewage to see the precipitation effect, and if the precipitation is good and the water quality is clear, pumping the spraying biochemical sewage into a precipitation tank for precipitation.
Step six: and (5) after the effluent is clear, entering the next anaerobic and aerobic treatment link.
2. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: in the first step, the pipeline is provided with a valve.
3. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: in the first step, the pipeline is provided with a sludge pump.
4. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: in the second step, the PH value of the materialized sewage is controlled to be about 7.
5. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: in the third step, the spraying biochemical sewage pumped into the spraying biochemical sewage regulating reservoir accounts for 60-80% of the total volume of the spraying biochemical sewage regulating reservoir.
6. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: in the fourth step, the sludge conveyed to the spraying biochemical regulating tank accounts for 10-20% of the total volume of the spraying biochemical regulating tank.
7. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: and in the fifth step, spraying biochemical sewage after stirring one cup of the uniformly mixed spraying biochemical sewage by using a 1000ml plastic cup, and adding 0.5ml to 1ml of 0.5 percent polyacrylamide solution to see the precipitation effect.
8. The method for sewage treatment of aluminum alloy cookware according to claim 1, wherein: and in the fifth step, if the precipitation is not good, adding a proper amount of sludge continuously, mechanically stirring or aerating and stirring for about 10 minutes, and observing the precipitation effect until the water precipitation is good and the water quality is clear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086617.6A CN113860635A (en) | 2021-09-16 | 2021-09-16 | Method for treating sewage of aluminum alloy cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086617.6A CN113860635A (en) | 2021-09-16 | 2021-09-16 | Method for treating sewage of aluminum alloy cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113860635A true CN113860635A (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111086617.6A Pending CN113860635A (en) | 2021-09-16 | 2021-09-16 | Method for treating sewage of aluminum alloy cooker |
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| CN (1) | CN113860635A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153267A (en) * | 2011-04-15 | 2011-08-17 | 复旦大学 | Method for modifying and dewatering sludge |
| CN109896702A (en) * | 2017-12-09 | 2019-06-18 | 山东龙跃橡胶有限公司 | A kind of synthetic rubber production sewage treatment method |
| CN110746037A (en) * | 2019-09-29 | 2020-02-04 | 广西皖维生物质科技有限公司 | Pretreatment method of high-concentration organic wastewater |
-
2021
- 2021-09-16 CN CN202111086617.6A patent/CN113860635A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153267A (en) * | 2011-04-15 | 2011-08-17 | 复旦大学 | Method for modifying and dewatering sludge |
| CN109896702A (en) * | 2017-12-09 | 2019-06-18 | 山东龙跃橡胶有限公司 | A kind of synthetic rubber production sewage treatment method |
| CN110746037A (en) * | 2019-09-29 | 2020-02-04 | 广西皖维生物质科技有限公司 | Pretreatment method of high-concentration organic wastewater |
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