CN113603239A - Industrial wastewater treatment agent, preparation method thereof and efficient use method thereof - Google Patents
Industrial wastewater treatment agent, preparation method thereof and efficient use method thereof Download PDFInfo
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 47
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 39
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000003814 drug Substances 0.000 claims abstract description 65
- 238000003756 stirring Methods 0.000 claims abstract description 37
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims abstract description 36
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 22
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 22
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 21
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920001529 polyepoxysuccinic acid Polymers 0.000 claims abstract description 18
- 238000010992 reflux Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 10
- 239000011259 mixed solution Substances 0.000 abstract 1
- 229940079593 drug Drugs 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000013043 chemical agent Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
-
- 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
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Removal Of Specific Substances (AREA)
Abstract
The invention relates to the technical field of industrial wastewater treatment, in particular to an industrial wastewater treatment agent, a preparation method thereof and a high-efficiency use method thereof. Comprises the following components: polyepoxysuccinic acid, glycolic acid, hydroxyethylidene diphosphonic acid, sodium tripolyphosphate and zinc sulfate, and the preparation and use methods thereof comprise: adding glycolic acid and hydroxyethylidene diphosphonic acid into polyepoxysuccinic acid, stirring, controlling temperature, condensing, refluxing and cooling; adding sodium tripolyphosphate and zinc sulfate, stirring for dissolving, condensing and refluxing, stopping when the pH value of the distillate is 7-8, and cooling; adding a medicament into a first chamber of the reactor, and controlling the dosage through a medicament adding valve; the mixed solution in the first chamber enters the second chamber of the reactor through a water outlet; the two chambers are provided with bubble generating devices, so that the medicine and the wastewater are fully mixed, and the use efficiency is improved. The invention accurately controls the usage amount and the feeding speed of the medicament, so that the medicament and the wastewater are uniformly mixed, the use efficiency is ensured, the treatment effect is achieved, and the pollution of redundant medicament is avoided.
Description
Technical Field
The invention relates to the technical field of industrial wastewater treatment, in particular to an industrial wastewater treatment agent, a preparation method thereof and a high-efficiency use method thereof.
Background
Water is used as a life source and a blood vessel of the industry, is a resource and an energy source, has an irreplaceable position in the steel production process, and is a water-consuming and pollution-discharging household in the industrial field. In recent years, with the continuous improvement of the process, equipment and technical level, the steel industry in China has made remarkable progress in water saving, and the water consumption and drainage situations are gradually improved. With the annual increase of the steel yield, the water intake of the steel industry is reduced year by year, and the favorable situation of negative growth is presented, and the water quality risk is gradually increased while the great effect of water saving and emission reduction is achieved.
The iron and steel enterprise is a comprehensive industry, a chemical organic high-pollution unit, a multiple-pollution unit of a blast furnace gas washing water system, various water production units, steel rolling units and the like are arranged in the iron and steel enterprise, a large amount of organic matters and inorganic matters are consumed in the production process, the production relates to a series of working procedures, each working procedure is provided with different feeding materials, and various wastes and waste water are discharged, so the iron and steel enterprise has the characteristics of wide sources, complex components, variable characteristics, strong hazard and great treatment difficulty, and is the iron and steel industrial waste water. In order to remove these pollutants from water, or to settle, filter, coagulate, flocculate, and condition water for specific applications, corrosion and scale inhibition require the addition of a large number of chemicals to the water, including: chemicals for improving solid-liquid separation, a pH regulator, a surfactant, a scale inhibitor for delaying or preventing the scaling of heat exchange equipment, a corrosion inhibitor of metal or other materials, a stabilizer for delaying membrane pollution, a biological dispersant bactericide, a chemical cleaning and cleaning agent, an additive in the biochemical treatment of sewage, an oxidation-reduction agent and the like, wherein the selection of chemical agents determines the wastewater treatment effect.
The most important problems in the water treatment and dosing process are to select a proper chemical agent aiming at different working conditions, different water qualities and different water treatment purposes, control the usage amount of the chemical agent well and avoid ineffective dosing. Therefore, the use of chemical agents and the manner of their addition are the focus of current research.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an industrial wastewater treatment agent, a preparation method thereof and a high-efficiency use method thereof. The using efficiency of the medicament is improved, the ineffective adding amount of the medicament is reduced, the salt content brought into the system by adding the medicament into the water treatment system is reduced, and the water quality of the system is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an industrial wastewater treatment medicament comprises the following components in percentage by weight:
50 to 60 percent of polyepoxysuccinic acid, 10 to 20 percent of glycolic acid, 5 to 10 percent of hydroxyethylidene diphosphonic acid, 5 to 10 percent of sodium tripolyphosphate and 20 to 30 percent of zinc sulfate.
An industrial wastewater treatment medicament dosing and reacting device comprises a medicament storage box, a medicament feeding pipe and a reactor, wherein the reactor is divided into a first reactor chamber and a second reactor chamber by a partition plate; the upper part of the clapboard is provided with a water outlet, a water inlet pipe is connected with the first chamber of the reactor, and a water outlet pipe is connected with the second chamber of the reactor; one end of the medicine feeding pipe is connected with the medicine storage box, the other end of the medicine feeding pipe is positioned at the top of the first chamber of the reactor, and the end part of the other end of the medicine feeding pipe is provided with a distributor.
The distributor is a disc distributor, and small holes with the diameter of 3-5 mm are uniformly distributed on the disc.
And a dosing valve and a dosing instrument are arranged on the dosing pipe.
5 ~ 10 agitating unit of reaction first room bottom evenly distributed, agitating unit is equipped with stirring vane.
And the side wall and the bottom surface of the second chamber of the reactor are uniformly provided with the bubble generation device.
And a water inlet instrument and a water inlet valve are arranged on the water inlet pipe.
A preparation method of an industrial wastewater treatment agent specifically comprises the following steps:
1) adding glycolic acid and hydroxyethylidene diphosphonic acid into polyepoxysuccinic acid, stirring while adding, wherein the temperature of the mixture is not more than 40 ℃, uniformly mixing, condensing and refluxing for 1h at 110-120 ℃, and cooling to 50-60 ℃ after the reaction is finished;
2) adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring until the sodium tripolyphosphate and the zinc sulfate are completely dissolved, condensing and refluxing for 0.5-1 h at 110-120 ℃, stopping the reaction when the pH value of the distillate is 7-8, and cooling to room temperature; the prepared water treatment medicament is put into a medicament storage box for storage.
A method for efficiently using an industrial wastewater treatment agent specifically comprises the following steps:
1) injecting water into the first reactor chamber through a water inlet pipe, uniformly adding a water treatment agent into the first reactor chamber through a distributor at the top of the first reactor chamber, and controlling the added amount of the water treatment agent through a dosing valve according to the amount of the water inflow;
2) stirring by a stirring device at the bottom of the reaction chamber, and allowing the uniformly mixed water treatment agent solution to enter a second chamber of the reactor through a water outlet at the upper part of the partition plate;
3) the fully stirred medicament and the wastewater are fully and uniformly mixed by a bubble generating device in the second chamber of the reactor; the treated water is discharged from the water outlet.
Compared with the prior art, the invention has the beneficial effects that:
the dosing pipe is provided with the dosing valve and the dosing instrument, and the water inlet pipe is provided with the water inlet instrument and the water inlet valve, so that the usage amount and the dosing speed of the sewage treatment agent can be accurately controlled; according to the invention, the end part of the dosing pipe is provided with the disc distributor, small holes with the diameter of 3-5 mm are uniformly distributed on the disc, the bottom of the first chamber of the reactor is uniformly distributed with the stirring device, and the side wall and the bottom of the second chamber of the reactor are uniformly distributed with the bubble generating device, so that the medicament and the wastewater are mixed more uniformly, the use efficiency of the device is ensured, the expected sewage treatment effect is achieved, and the pollution of redundant medicament to a water system is avoided.
The addition of hydroxyethylidene diphosphonic acid and sodium tripolyphosphate in the compounded medicine can obviously raise the corrosion inhibiting effect of polyepoxysuccinic acid. Glycolic acid as an organic synthesis agent can promote the progress of the synthesis reaction of the pharmaceutical agent. The zinc sulfate plays a role of a water quality stabilizer, corrosion and scaling are avoided, and the zinc sulfate has a sterilization effect.
The industrial wastewater treated by the agent has the COD removal rate of more than 90 percent, the SS removal rate of more than 85 percent, the ammonia nitrogen removal rate of more than 85 percent, the conductivity reduced from the original 2000 to about 1000, the effect of the agent is fully exerted, the treatment effect is greatly improved, the ineffective addition and the agent pollution are avoided, and the effluent quality is stable.
Drawings
FIG. 1 is a schematic diagram of the present invention.
1-a water intake meter; 2-a water inlet valve; 3-a stirring device; 4-a disc distributor; 5-a medicine feeding pipe; 6-a dosing valve; 7-a dosing instrument; 8-a dosing pump; 9-a bubble generating device; 10-a medicine storage box; 11-a water inlet pipe; 12-a water outlet pipe; 13-drainage port.
Detailed Description
The invention discloses an industrial wastewater treatment agent and a high-efficiency use method thereof. Those skilled in the art can modify the process parameters appropriately to achieve the desired results with reference to the disclosure herein. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
An industrial wastewater treatment medicament comprises the following components in percentage by weight:
50 to 60 percent of polyepoxysuccinic acid, 10 to 20 percent of glycolic acid, 5 to 10 percent of hydroxyethylidene diphosphonic acid, 5 to 10 percent of sodium tripolyphosphate and 20 to 30 percent of zinc sulfate.
As shown in figure 1, the chemical dosing and reacting device for industrial wastewater treatment comprises a medicine storage box 10, a dosing pipe 5, a water inlet pipe 11, a water outlet pipe 12 and a reactor, wherein the reactor is divided into a left chamber and a right chamber by a partition plate, and the left chamber and the right chamber are respectively a first reactor chamber and a second reactor chamber.
The upper part of the clapboard is provided with a water outlet 13, a water inlet pipe 11 is connected with the bottom of the first chamber of the reactor, and a water outlet pipe 12 is connected with the bottom of the second chamber of the reactor. One end of the medicine feeding pipe 5 is connected with the medicine storage box 10, the other end of the medicine feeding pipe is positioned at the top of the first chamber of the reactor, and the end part of the other end of the medicine feeding pipe is provided with a disc distributor 4. Small holes with the diameter of 3-5 mm are uniformly distributed on the disc distributor 4.
The dosing pipe is provided with a dosing pump 8, a dosing valve 6 and a dosing instrument 7. 5-10 stirring devices 3 are uniformly distributed at the bottom of the first reaction chamber, and the stirring devices 3 are provided with stirring blades. The side wall and the bottom surface of the second chamber of the reactor are uniformly distributed with bubble generation devices 9. The water inlet pipe 11 is provided with a water inlet instrument 1 and a water inlet valve 2.
A preparation method of an industrial wastewater treatment agent specifically comprises the following steps:
1) adding glycolic acid and hydroxyethylidene diphosphonic acid into polyepoxysuccinic acid, stirring while adding, wherein the temperature of the mixture is not more than 40 ℃, uniformly mixing, condensing and refluxing for 1h at 110-120 ℃, and cooling to 50-60 ℃ after the reaction is finished;
2) adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring until the sodium tripolyphosphate and the zinc sulfate are completely dissolved, condensing and refluxing for 0.5-1 h at 110-120 ℃, stopping the reaction when the pH value of the distillate is 7-8, and cooling to room temperature; the prepared water treatment agent is put into the medicine storage box 10 for storage.
A method for efficiently using an industrial wastewater treatment agent specifically comprises the following steps:
1) injecting water into the first reactor chamber through a water inlet pipe 11, uniformly adding a water treatment agent into the first reactor chamber through a disc distributor 4 at the top of the first reactor chamber, controlling the water inflow through a water inlet valve 2 and a water inlet instrument 1, and controlling the added dosage through a dosing valve 6 and a dosing instrument 7 according to the water inflow;
2) stirring by a stirring device 3 at the bottom of the reaction chamber, and allowing the uniformly mixed water treatment agent solution to enter a second chamber of the reactor through a water outlet 13 at the upper part of the partition plate;
3) the fully stirred medicament and the wastewater are fully and uniformly mixed by a bubble generating device 9 in the second chamber of the reactor; the treated water is discharged from the water outlet 12.
Example 1:
an industrial wastewater treatment agent comprises the following raw materials in parts by weight:
the wastewater treatment agent is prepared by compounding polyepoxysuccinic acid, glycolic acid, hydroxyethylidene diphosphonic acid, sodium tripolyphosphate and zinc sulfate, and the weight ratio is as follows: 50% of polyepoxysuccinic acid, 10% of glycolic acid, 5% of hydroxyethylidene diphosphonic acid, 5% of sodium tripolyphosphate and 30% of zinc sulfate.
A preparation method of an industrial wastewater treatment agent specifically comprises the following steps:
1) slowly adding glycolic acid and hydroxyethylidene diphosphonic acid weighed according to the weight ratio into polyepoxysuccinic acid, stirring the mixture lightly while adding the mixture to ensure that the temperature of the mixture is 30 ℃, after the mixture is uniformly mixed, condensing and refluxing the mixture for 1h at the temperature of 110 ℃, and cooling the mixture to 50 ℃ after the reaction is finished.
2) Adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring to dissolve completely, condensing and refluxing at 110 deg.C for 0.5h, stopping reaction when the pH value of distillate is 7, and cooling to room temperature for use.
A method for efficiently using an industrial wastewater treatment agent specifically comprises the following steps:
1) the water treatment agent is uniformly added into a first chamber of the reactor through a drug feeding device at the top end of the reactor, the drug feeding amount can be controlled through a drug feeding valve 6 according to the amount of water inflow, the drug feeding device adopts a disc distributor, small holes with the diameter of phi 3mm are uniformly distributed on the disc, and the drug feeding amount is controlled through an instrument.
2) 5 stirring devices 3 are uniformly distributed at the bottom of the first chamber of the reactor and are provided with stirring blades, and water after uniform mixing enters the second chamber of the reactor through a water outlet 13.
3) The wall and the bottom of the container of the second chamber of the reactor are equally distributed with the bubble generating devices 9, the medicament and the wastewater which are fully stirred achieve the purpose of fully mixing, the ineffective addition is avoided, and the medicament use efficiency is improved.
Example 2:
an industrial wastewater treatment agent comprises the following raw materials in parts by weight:
the wastewater treatment agent is prepared by compounding polyepoxysuccinic acid, glycolic acid, hydroxyethylidene diphosphonic acid, sodium tripolyphosphate and zinc sulfate, and the weight ratio is as follows: 55% of polyepoxysuccinic acid, 15% of glycolic acid, 5% of hydroxyethylidene diphosphonic acid, 5% of sodium tripolyphosphate and 20% of zinc sulfate.
A preparation method of an industrial wastewater treatment agent specifically comprises the following steps:
1) slowly adding glycolic acid and hydroxyethylidene diphosphonic acid weighed according to the weight ratio into polyepoxysuccinic acid, stirring the mixture lightly while adding the mixture to ensure that the temperature of the mixture is 35 ℃, after the mixture is uniformly mixed, condensing and refluxing the mixture for 1h at the temperature of 115 ℃, and cooling the mixture to 55 ℃ after the reaction is finished.
2) Adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring to dissolve completely, condensing and refluxing at 115 deg.C for 0.8h, stopping reaction when the pH value of distillate is 7, and cooling to room temperature for use.
A method for efficiently using an industrial wastewater treatment agent specifically comprises the following steps:
1) the water treatment agent is uniformly added into a first chamber of the reactor through a drug feeding device at the top end of the reactor, the drug feeding amount can be controlled through a drug feeding valve 6 according to the amount of water inflow, the drug feeding device adopts a disc distributor, small holes with the diameter of phi 4mm are uniformly distributed on the disc, and the drug feeding amount is controlled through an instrument.
2) 8 stirring devices 3 are uniformly distributed at the bottom of the first chamber of the reactor, the stirring devices 3 are provided with stirring blades, and the uniformly mixed water enters the second chamber of the reactor through a water outlet 13.
3) The wall and the bottom of the container of the second chamber of the reactor are equally distributed with the bubble generating devices 9, the medicament and the wastewater which are fully stirred achieve the purpose of fully mixing, the ineffective addition is avoided, and the medicament use efficiency is improved.
Example 3:
an industrial wastewater treatment agent comprises the following raw materials in parts by weight:
the wastewater treatment agent is prepared by compounding polyepoxysuccinic acid, glycolic acid, hydroxyethylidene diphosphonic acid, sodium tripolyphosphate and zinc sulfate, and the weight ratio is as follows: 50% of polyepoxysuccinic acid, 10% of glycolic acid, 10% of hydroxyethylidene diphosphonic acid, 10% of sodium tripolyphosphate and 20% of zinc sulfate.
A preparation method of an industrial wastewater treatment agent specifically comprises the following steps:
1) slowly adding glycolic acid and hydroxyethylidene diphosphonic acid weighed according to the weight ratio into polyepoxysuccinic acid, stirring the mixture lightly while adding the mixture to ensure that the temperature of the mixture is 40 ℃, after the mixture is uniformly mixed, condensing and refluxing the mixture for 1h at the temperature of 120 ℃, and cooling the mixture to 60 ℃ after the reaction is finished.
2) Adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring to dissolve completely, condensing and refluxing at 120 deg.C for 1h, stopping reaction when the pH value of distillate is 8, and cooling to room temperature for use.
A method for efficiently using an industrial wastewater treatment agent specifically comprises the following steps:
1) the water treatment agent is uniformly added into a first chamber of the reactor through a drug feeding device at the top end of the reactor, the drug feeding amount can be controlled through a drug feeding valve 6 according to the amount of water inflow, the drug feeding device adopts a disc distributor, small holes with the diameter of phi 5mm are uniformly distributed on the disc, and the drug feeding amount is controlled through an instrument.
2) The bottom of the first reactor chamber is uniformly distributed with 10 stirring devices 3, the stirring devices 3 are provided with stirring blades, and the uniformly mixed water enters the second reactor chamber through a water outlet 13.
3) The wall and the bottom of the container of the second chamber of the reactor are equally distributed with the bubble generating devices 9, the medicament and the wastewater which are fully stirred achieve the purpose of fully mixing, the ineffective addition is avoided, and the medicament use efficiency is improved.
According to the technical requirements of the above examples, the removal effect of the examples on pollutants after the industrial wastewater is treated by the above agents is shown in table 1.
Table 1 removal of contaminants by examples
| Contaminants | COD removal Rate (%) | SS removal Rate (%) | Ammonia nitrogen removal (%) | Conductivity (μ s/cm) |
| Example 1 | 91.1 | 89 | 93 | 1100 |
| Example 2 | 94.3 | 91 | 95 | 800 |
| Example 3 | 92.4 | 90 | 88 | 900 |
The results in table 1 show that the industrial wastewater treated by the above agents has a COD removal rate of more than 90%, an SS removal rate of more than 85%, an ammonia nitrogen removal rate of more than 85%, and a conductivity reduced from 2000 to 1000, and the effects of the agents are fully exerted, so that the treatment effect is greatly improved, the ineffective addition and the agent pollution are avoided, and the effluent quality is stable.
The invention improves the use efficiency of the medicament, reduces the ineffective dosage of the medicament, reduces the salt content brought into the system by the medicament added in the water treatment system, and improves the water quality of the system.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The industrial wastewater treatment medicament is characterized by comprising the following components in percentage by weight:
50 to 60 percent of polyepoxysuccinic acid, 10 to 20 percent of glycolic acid, 5 to 10 percent of hydroxyethylidene diphosphonic acid, 5 to 10 percent of sodium tripolyphosphate and 20 to 30 percent of zinc sulfate.
2. The chemical dosing and reaction device for industrial wastewater treatment according to claim 1, comprising a chemical storage box, a chemical dosing pipe and a reactor, wherein the reactor is divided into a first reactor chamber and a second reactor chamber by a partition plate; the upper part of the clapboard is provided with a water outlet, a water inlet pipe is connected with the first chamber of the reactor, and a water outlet pipe is connected with the second chamber of the reactor; one end of the medicine feeding pipe is connected with the medicine storage box, the other end of the medicine feeding pipe is positioned at the top of the first chamber of the reactor, and the end part of the other end of the medicine feeding pipe is provided with a distributor.
3. The chemical dosing and reaction device for industrial wastewater treatment according to claim 2, wherein the distributor is a disc distributor, and small holes of phi 3-5 mm are uniformly distributed on the disc.
4. The chemical dosing and reaction device for industrial wastewater treatment according to claim 2, wherein the chemical dosing pipe is provided with a chemical dosing valve and a chemical dosing instrument.
5. The chemical dosing and reaction device for industrial wastewater treatment according to claim 2, wherein 5-10 stirring devices are uniformly distributed at the bottom of the reaction chamber, and each stirring device is provided with a stirring blade.
6. The chemical dosing and reaction device for industrial wastewater treatment according to claim 2, wherein the bubble generating device is uniformly distributed on the side wall and the bottom surface of the second chamber of the reactor.
7. The chemical dosing and reacting device for industrial wastewater treatment according to claim 2, wherein a water inlet meter and a water inlet valve are arranged on the water inlet pipe.
8. The method for preparing the industrial wastewater treatment agent according to claim 1 based on the device according to any one of claims 2 to 7, is characterized by comprising the following steps:
1) adding glycolic acid and hydroxyethylidene diphosphonic acid into polyepoxysuccinic acid, stirring while adding, wherein the temperature of the mixture is not more than 40 ℃, uniformly mixing, condensing and refluxing, and cooling to 50-60 ℃ after the reaction is finished;
2) adding sodium tripolyphosphate and zinc sulfate into the mixture, stirring until the sodium tripolyphosphate and the zinc sulfate are completely dissolved, condensing and refluxing for 0.5-1 h at 110-120 ℃, stopping the reaction when the pH value of the distillate is 7-8, and cooling to room temperature; the prepared water treatment medicament is put into a medicament storage box for storage.
9. The preparation method of the industrial wastewater treatment agent according to claim 8, wherein the step 1) is performed by condensing and refluxing for 1 hour at 110-120 ℃.
10. The method for efficiently using the industrial wastewater treatment agent according to claim 1 based on the device according to any one of claims 2 to 7 is characterized by comprising the following steps:
1) injecting water into the first reactor chamber through a water inlet pipe, uniformly adding a water treatment agent into the first reactor chamber through a distributor at the top of the first reactor chamber, and controlling the added amount of the water treatment agent through a dosing valve according to the amount of the water inflow;
2) stirring by a stirring device at the bottom of the reaction chamber, and allowing the uniformly mixed water treatment agent solution to enter a second chamber of the reactor through a water outlet at the upper part of the partition plate;
3) the fully stirred medicament and the wastewater are fully and uniformly mixed by a bubble generating device in the second chamber of the reactor; the treated water is discharged from the water outlet.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445561A (en) * | 2014-11-13 | 2015-03-25 | 无锡伊佩克科技有限公司 | Industrial wastewater treating agent |
| CN104478048A (en) * | 2014-11-13 | 2015-04-01 | 无锡伊佩克科技有限公司 | Preparation method of industrial wastewater treatment medicament |
| CN205873989U (en) * | 2015-10-13 | 2017-01-11 | 夏怀泉 | Sewage treatment reactor |
| CN213294945U (en) * | 2020-05-21 | 2021-05-28 | 兰茂群 | A device for industrial waste water treatment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445561A (en) * | 2014-11-13 | 2015-03-25 | 无锡伊佩克科技有限公司 | Industrial wastewater treating agent |
| CN104478048A (en) * | 2014-11-13 | 2015-04-01 | 无锡伊佩克科技有限公司 | Preparation method of industrial wastewater treatment medicament |
| CN205873989U (en) * | 2015-10-13 | 2017-01-11 | 夏怀泉 | Sewage treatment reactor |
| CN213294945U (en) * | 2020-05-21 | 2021-05-28 | 兰茂群 | A device for industrial waste water treatment |
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