CN218089211U - Pickling water recycling processor - Google Patents
Pickling water recycling processor Download PDFInfo
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- CN218089211U CN218089211U CN202222558376.7U CN202222558376U CN218089211U CN 218089211 U CN218089211 U CN 218089211U CN 202222558376 U CN202222558376 U CN 202222558376U CN 218089211 U CN218089211 U CN 218089211U
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Abstract
The utility model discloses a pickling water retrieval and utilization processor, go into the pipe including waste water, waste water goes into pipe one end and connects the air supporting machine, the air supporting machine connects gradually one-level flocculation and precipitation system, second grade flocculation and precipitation system, tertiary flocculation and precipitation system, level four flocculation and precipitation system and five-stage flocculation and precipitation system, one-level flocculation and precipitation system includes first pyrolysis reduction reaction pond, one-level flocculation and precipitation pond is connected to first pyrolysis reduction reaction pond delivery port. The utility model discloses a set up the air supporting machine, detach the surface insoluble matter, detach the metal ion in the pickling waste water through multistage sedimentation system, deposit under the flocculation with caustic soda liquid, PAC, PAM again, the waste gas that produces in the degasser is handled through the pickling tower, avoids the sulfide gas direct emission of production, reduces gas pollution, through multilayer reduction flocculation back drainage, and repeated reaction detects whether to remain, improves the complete degree of reaction, guarantees that the discharge water accords with the standard.
Description
Technical Field
The utility model relates to the technical field of industrial pickling water treatment, in particular to a pickling water recycling processor.
Background
The acid pickling wastewater is the wastewater generated after removing oxides on the metal surface, and the wastewater is strongly acidic.
The general pickling solution is along with the proceeding of pickling, the concentration of ferrous sulfate in the solution is continuously increased, the acidity rate is reduced, and the pickling solution needs to be replaced, wherein lime milk neutralization treatment and evaporative crystallization treatment are generally adopted, the lime milk treatment easily causes secondary pollution, and the evaporative crystallization can generate acid mist.
Therefore, a consistent pickling water recycling processor capable of discharging and treating is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that wherein generally adopt lime cream neutralization treatment and evaporative crystallization to handle, lime cream handles and easily causes secondary pollution, and the evaporative crystallization can produce acid mist.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a pickling water recycling processor, which comprises a waste water discharging pipe, wherein one end of the waste water discharging pipe is connected with an air floatation machine, and the air floatation machine is sequentially connected with a primary flocculation precipitation system, a secondary flocculation precipitation system, a tertiary flocculation precipitation system, a four-stage flocculation precipitation system and a five-stage flocculation precipitation system;
the primary flocculation and precipitation system comprises a first cracking and reduction reaction tank, a water outlet of the first cracking and reduction reaction tank is connected with a primary flocculation and precipitation tank, a water outlet of the primary flocculation and precipitation tank is connected with a degassing tower, an air outlet pipe of the degassing tower is connected with an acid washing tower, an air outlet pipe of the acid washing tower is connected with an exhaust funnel, and a water outlet of the degassing tower is connected with a first filter;
the secondary flocculation sedimentation system comprises a first catalytic oxidation reaction tank, and a water outlet of the first catalytic oxidation reaction tank is connected with the secondary flocculation sedimentation tank;
the three-stage flocculation and precipitation system comprises a second cracking reduction reaction tank, and a water outlet of the second cracking reduction reaction tank is connected with a three-stage flocculation and precipitation tank;
the four-stage flocculation and precipitation system comprises a second catalytic oxidation reaction tank, a water outlet of the second catalytic oxidation reaction tank is connected with a four-stage flocculation and precipitation tank, and a water outlet of the four-stage flocculation and precipitation tank is connected with a second filter;
the five-stage flocculation and precipitation system comprises a third catalytic oxidation reaction tank, a water outlet of the third catalytic oxidation reaction tank is connected with the five-stage flocculation and precipitation tank, and a water outlet end of the five-stage flocculation and precipitation tank is connected with external drainage.
Through above-mentioned technical scheme, set up the air supporting machine, detach the surface insoluble matter, detach the metal ion in the pickling waste water through multistage sedimentation system, deposit under the flocculation with liquid caustic soda, PAC, PAM again, the waste gas that produces in the degasser is handled through the pickling tower, avoids the gaseous direct discharge of sulphide who produces, reduces gas pollution, through drainage behind the multilayer reduction flocculation, and the repeated reaction detects whether to remain, improves the reaction completeness, guarantees that the effluent accords with the standard.
The utility model discloses further set up to, the concentrated pond is all connected to the discharge gate of one-level flocculation and precipitation pond, second grade flocculation and precipitation pond, tertiary flocculation and precipitation pond, level four flocculation and precipitation pond and five-level flocculation and precipitation pond, the pressure filter is connected to the concentrated pond, the row's mud is connected to the pressure filter discharge end, one-level flocculation and precipitation pond, second grade flocculation and precipitation pond, tertiary flocculation and precipitation pond, level four flocculation and precipitation pond and five-level flocculation and precipitation pond all are connected with liquid caustic soda, PAC, PAM and arrange into the pipe.
Through above-mentioned technical scheme, set up the pressure filter, compress a plurality of flocculation and precipitation pond exhaust concentrate through the pressure filter, produce the blocking mud and discharge, improve and get rid of the flocculation liquid convenience, connect liquid alkali, PAC, PAM and discharge into the pipe and deposit the flocculation through directly discharging into, thereby add the pH valve that liquid alkali improved liquid, through the acid-base neutralization reduction discharge water acidizing.
The utility model discloses further set up to, first schizolysis reduction reaction pond, second schizolysis reduction reaction pond, first catalytic oxidation reaction pond, second catalytic oxidation reaction pond and third catalytic oxidation reaction pond upside are connected with the sulphuric acid pipe.
Through the technical scheme, a plurality of reduction reaction connecting sulfuric acid pipes are arranged, metal ions in the discharged liquid are removed by adding sulfuric acid to reduce the metal ions on the inner wall, the heavy metal pollution of the discharged liquid is reduced, and the water source is prevented from being polluted after water is discharged.
The utility model discloses further set up as, first catalytic oxidation reaction pond, second catalytic oxidation reaction pond and third catalytic oxidation reaction pond all are connected with the hydrogen peroxide pipe.
Through the technical scheme, hydrogen peroxide and oxygen are added, so that the intensity of the oxidation-reduction reaction is improved, the reaction rate is increased, and the sewage treatment efficiency is improved.
The beneficial effects of the utility model are as follows:
1. the utility model discloses a setting up the air supporting machine, detach the surface insoluble matter, detach the metal ion in the pickling waste water through multistage sedimentation system, deposit under the flocculation with liquid caustic soda, PAC, PAM again, the waste gas that produces in the degasser tower is handled through the pickling tower, avoids the sulfide gas who produces to directly discharge, reduces gas pollution, through drainage after multilayer reduction flocculation, the repeated reaction detects whether remains, improves the reaction completeness, guarantees that the discharge water accords with the standard;
2. the utility model discloses a setting up the pressure filter, compressing a plurality of flocculation sedimentation tank exhaust concentrate through the pressure filter, producing the lumpy mud and discharging, improve and get rid of the flocculation liquid convenience, connect liquid caustic soda, PAC, PAM and discharge into the pipe and deposit the flocculation through directly discharging into, add the liquid caustic soda and thus improve the pH value of liquid, through the acid-base neutralization reduction discharge water acidizing;
3. the utility model discloses a connecting the sulphuric acid pipe setting up a plurality of reduction reactions, carrying out the reduction of inner wall metal ion through adding sulphuric acid, detach the interior metal ion of discharged liquid, reduce discharged liquid weight metal pollution, prevent to pollute the water source behind the drainage.
Drawings
FIG. 1 is a structural diagram of a pickling water recycling processor of the utility model;
FIG. 2 is a process flow chart of the pickling water recycling processor of the present invention;
fig. 3 is a pipeline connection diagram of the pickling water recycling processor of the utility model.
In the figure: 1. a waste water discharge pipe; 2. an air flotation machine; 3. a first cracking reduction reaction tank; 4. a primary flocculation sedimentation tank; 5. a degassing tower; 6. a first filter; 7. a first catalytic oxidation reaction tank; 8. a secondary flocculation sedimentation tank; 9. a second cracking reduction reaction tank; 10. a third-stage flocculation sedimentation tank; 11. a second catalytic oxidation reaction tank; 12. a four-stage flocculation sedimentation tank; 13. a second filter; 14. a third catalytic oxidation reaction tank; 15. a five-stage flocculation sedimentation tank; 16. an acid washing tower; 17. an exhaust funnel; 18. a concentration tank; 19. a filter press; 20. draining water outside; 21. discharging mud; 22. a sulfuric acid pipe; 23. a hydrogen peroxide pipe; 24. discharging the liquid caustic soda, PAC and PAM into the pipe.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, 2 and 3, a pickling water recycling processor comprises a wastewater discharge pipe 1, one end of the wastewater discharge pipe 1 is connected with an air flotation machine 2, and the air flotation machine 2 is sequentially connected with a first-stage flocculation precipitation system, a second-stage flocculation precipitation system, a third-stage flocculation precipitation system, a fourth-stage flocculation precipitation system and a fifth-stage flocculation precipitation system;
the primary flocculation and precipitation system comprises a first cracking and reduction reaction tank 3, a water outlet of the first cracking and reduction reaction tank 3 is connected with a primary flocculation and precipitation tank 4, a water outlet of the primary flocculation and precipitation tank 4 is connected with a degassing tower 5, an air outlet pipe of the degassing tower 5 is connected with an acid washing tower 16, an air outlet pipe of the acid washing tower 16 is connected with an air exhaust pipe 17, a water outlet of the degassing tower 5 is connected with a first filter 6, the upper end of the first cracking and reduction reaction tank 3 is connected with a sulfuric acid pipe 22, the upper end of the primary flocculation and precipitation tank 4 is connected with a liquid caustic soda, PAC and PAM discharge pipe 24, the lower end of the primary flocculation and precipitation tank 4 is connected with a concentration tank 18, the concentration tank 18 is connected with a filter press 19, and the discharge end of the filter press 19 is connected with a sludge discharge 21;
the secondary flocculation sedimentation system comprises a first catalytic oxidation reaction tank 7, a water outlet of the first catalytic oxidation reaction tank 7 is connected with a secondary flocculation sedimentation tank 8, a sulfuric acid pipe 22 and a hydrogen peroxide pipe 23 are connected above the first catalytic oxidation reaction tank 7, and a concentration tank 18 is connected below the secondary flocculation sedimentation tank 8;
the three-stage flocculation and precipitation system comprises a second cracking and reduction reaction tank 9, the water outlet of the second cracking and reduction reaction tank 9 is connected with a three-stage flocculation and precipitation tank 10, a sulfuric acid pipe 22 is connected above the second cracking and reduction reaction tank 9, and a concentration tank 18 is connected below the three-stage flocculation and precipitation tank 10;
the four-stage flocculation sedimentation system comprises a second catalytic oxidation reaction tank 11, a water outlet of the second catalytic oxidation reaction tank 11 is connected with a four-stage flocculation sedimentation tank 12, a water outlet of the four-stage flocculation sedimentation tank 12 is connected with a second filter 13, a sulfuric acid pipe 22 and a hydrogen peroxide pipe 23 are connected above the second catalytic oxidation reaction tank 11, and a concentration tank 18 is connected below the four-stage flocculation sedimentation tank 12;
the five-stage flocculation and precipitation system comprises a third catalytic oxidation reaction tank 14, a water outlet of the third catalytic oxidation reaction tank 14 is connected with a five-stage flocculation and precipitation tank 15, a water outlet end of the five-stage flocculation and precipitation tank 15 is connected with an external drainage 20, a sulfuric acid pipe 22 and a hydrogen peroxide pipe 23 are connected above the third catalytic oxidation reaction tank 14, and a concentration tank 18 is connected below the five-stage flocculation and precipitation tank 15.
The utility model discloses when using, the pickle, it enters to discharge through waste water income pipe 1, filter the solid matter through air supporting machine 2, be convenient for subsequent reaction, rethread first schizolysis reduction reaction pond 3, add sulphuric acid through sulphuric acid pipe 22, be used for schizolysis reduction reaction, gas gets into acid tower 16 through degasser 5 and removes sulphur, then discharge pollution-free gas, rethread first filter 6 filters, liquid flows into one-level flocculation and precipitation pond 4, through the liquid caustic soda, PAC, PAM discharges into the pipe 24 and discharges the material, carry out the neutralization acid alkali in the reaction, and carry out the flocculation and sedimentation to solution, liquid refluxes through oxygen and hydrogen peroxide in first catalytic oxidation reaction pond 7, and add sulphuric acid and carry out redox, rethread second flocculation and precipitation pond 8 adds the liquid caustic soda, PAC, PAM carries out the secondary flocculation and precipitation, rethread second schizolysis reduction reaction pond 9 carries out the repeated schizolysis reduction reaction, four-level flocculation and precipitation pond 12 is reflocculation and sedimentation, finally carry out repeated upside oxidation reaction through third catalytic oxidation reaction pond 14, then carry out water through five-level flocculation and precipitation pond 15, the concentrated sedimentation of pipeline discharge is discharged into, 18, discharge concentrated sludge compression rate is carried out through discharge machine compression rate 19.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a pickling water recycling processor, includes that waste water discharges into pipe (1), its characterized in that: one end of the wastewater discharge pipe (1) is connected with an air floatation machine (2), and the air floatation machine (2) is sequentially connected with a primary flocculation and precipitation system, a secondary flocculation and precipitation system, a tertiary flocculation and precipitation system, a four-stage flocculation and precipitation system and a five-stage flocculation and precipitation system;
the primary flocculation and precipitation system comprises a first cracking and reduction reaction tank (3), the water outlet of the first cracking and reduction reaction tank (3) is connected with a primary flocculation and precipitation tank (4), the water outlet of the primary flocculation and precipitation tank (4) is connected with a degassing tower (5), the gas outlet pipe of the degassing tower (5) is connected with a pickling tower (16), the gas outlet pipe of the pickling tower (16) is connected with a gas exhaust cylinder (17), and the water outlet of the degassing tower (5) is connected with a first filter (6);
the secondary flocculation sedimentation system comprises a first catalytic oxidation reaction tank (7), and a water outlet of the first catalytic oxidation reaction tank (7) is connected with a secondary flocculation sedimentation tank (8);
the three-stage flocculation sedimentation system comprises a second cracking reduction reaction tank (9), and a water outlet of the second cracking reduction reaction tank (9) is connected with a three-stage flocculation sedimentation tank (10);
the four-stage flocculation and precipitation system comprises a second catalytic oxidation reaction tank (11), the water outlet of the second catalytic oxidation reaction tank (11) is connected with a four-stage flocculation and precipitation tank (12), and the water outlet of the four-stage flocculation and precipitation tank (12) is connected with a second filter (13);
the five-stage flocculation and precipitation system comprises a third catalytic oxidation reaction tank (14), a water outlet of the third catalytic oxidation reaction tank (14) is connected with a five-stage flocculation and precipitation tank (15), and a water outlet end of the five-stage flocculation and precipitation tank (15) is connected with external drainage (20).
2. The pickling water recycling processor of claim 1, wherein: the discharge gate of one-level flocculation sedimentation tank (4), second grade flocculation sedimentation tank (8), tertiary flocculation sedimentation tank (10), level four flocculation sedimentation tank (12) and five-level flocculation sedimentation tank (15) all connects concentrated pond (18), pressure filter (19) are connected in concentrated pond (18), row mud (21) are connected to pressure filter (19) discharge end, one-level flocculation sedimentation tank (4), second grade flocculation sedimentation tank (8), tertiary flocculation sedimentation tank (10), level four flocculation sedimentation tank (12) and five-level flocculation sedimentation tank (15) all are connected with liquid caustic soda, PAC, PAM and arrange into pipe (24).
3. The pickling water recycling processor of claim 1, wherein: the upper sides of the first cracking reduction reaction tank (3), the second cracking reduction reaction tank (9), the first catalytic oxidation reaction tank (7), the second catalytic oxidation reaction tank (11) and the third catalytic oxidation reaction tank (14) are connected with sulfuric acid pipes (22).
4. The pickling water recycling processor of claim 1, wherein: the first catalytic oxidation reaction tank (7), the second catalytic oxidation reaction tank (11) and the third catalytic oxidation reaction tank (14) are all connected with a hydrogen peroxide water pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222558376.7U CN218089211U (en) | 2022-09-27 | 2022-09-27 | Pickling water recycling processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222558376.7U CN218089211U (en) | 2022-09-27 | 2022-09-27 | Pickling water recycling processor |
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| Publication Number | Publication Date |
|---|---|
| CN218089211U true CN218089211U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222558376.7U Active CN218089211U (en) | 2022-09-27 | 2022-09-27 | Pickling water recycling processor |
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| Country | Link |
|---|---|
| CN (1) | CN218089211U (en) |
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- 2022-09-27 CN CN202222558376.7U patent/CN218089211U/en active Active
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