CN219823945U - Waste liquid purifying and filtering system of acid regeneration desilication filter press - Google Patents
Waste liquid purifying and filtering system of acid regeneration desilication filter press Download PDFInfo
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- CN219823945U CN219823945U CN202321174597.2U CN202321174597U CN219823945U CN 219823945 U CN219823945 U CN 219823945U CN 202321174597 U CN202321174597 U CN 202321174597U CN 219823945 U CN219823945 U CN 219823945U
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- water
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- waste liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 87
- 239000002699 waste material Substances 0.000 title claims abstract description 69
- 239000002253 acid Substances 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 title claims abstract description 24
- 230000008929 regeneration Effects 0.000 title claims abstract description 12
- 238000011069 regeneration method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000002351 wastewater Substances 0.000 claims abstract description 51
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000001546 nitrifying effect Effects 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000007131 hydrochloric acid regeneration reaction Methods 0.000 description 3
- 238000011221 initial treatment Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a waste liquid purifying and filtering system of an acid regeneration desilication filter press, which comprises a waste water collecting tank, a first ball valve, a sedimentation tank, an anaerobic tank, an aerobic filter tank, a membrane tank, a waste water pit and a waste water station, wherein a water outlet of the waste water collecting tank is connected with a water inlet of the first ball valve, a water outlet of the first ball valve is connected with a first water inlet of the sedimentation tank, a water outlet of the sedimentation tank is respectively connected with a first water inlet of the anaerobic tank and a water inlet of a second ball valve through a three-way pipe, a water outlet of the anaerobic tank is connected with a water inlet of the aerobic filter tank, a water outlet of the aerobic filter tank is connected with a water inlet of the membrane tank, a first water outlet of the membrane tank is connected with a water inlet of the waste water pit, a water outlet of the membrane tank is connected with a second water inlet of the anaerobic tank, and regenerated acid waste liquid sludge and ammonia nitrogen waste water are removed before filtering of the waste water station, so that the work load of the waste water station is lightened, and the service life of the waste water station treatment equipment is prolonged.
Description
Technical Field
The utility model relates to the field of acid regeneration technology, in particular to a wastewater purification and filtration system of an acid regeneration desilication filter press.
Background
The cold rolling hydrochloric acid regeneration project 1700 of the company of the Beijing Tang is introduced into the hydrochloric acid regeneration technology of the company of ISSI in the United states. The project is divided into two parts, namely desilication is carried out by a chemical method, and the desilication capacity is 10000L/h; secondly, the spray roasting method is used for thermal decomposition of hydrochloric acid waste liquid to generate regenerated hydrochloric acid and ferric oxide powder, a hydrochloric acid regeneration plant with design capacity of 10000L/h is used for regeneration treatment of desilication acid liquid (regenerated acid), the built-up production of the method lays a solid foundation for forward production of 1700 cold rolling pickling sections, qualified regenerated hydrochloric acid is ensured to be provided for acid rolling, and a large amount of ferric oxide powder with high added value is produced.
The waste liquid in the waste liquid collecting tank of the press filter in the regenerated acid process of the prior art is directly discharged to the waste water pit through a pipeline and then is discharged to a waste water treatment station, and because the waste liquid contains higher ammonia nitrogen, the long-term massive discharge to the waste water treatment station can increase the working strength of the waste water treatment station, the working load on waste water station equipment is increased, and part of sludge enters the waste liquid collecting tank in the sludge removal process, so that the pipeline is easy to be blocked, the sludge amount in the pit is increased continuously, the working load of a pit pump is increased, the pipeline and the pit are cleaned frequently, and the labor intensity of workers is increased.
Disclosure of Invention
Aiming at the defects, the utility model provides a waste liquid purifying and filtering system of an acid regeneration desilication filter press, wherein a filtering plate is arranged at a water outlet of a waste liquid collecting tank and used for blocking massive sludge, a sedimentation tank is arranged behind the waste liquid collecting tank and used for precipitating sludge and impurities in the waste liquid, and then an anaerobic tank, an aerobic filter tank and a membrane tank are arranged to remove ammonia nitrogen liquid in the regenerated acid waste liquid, so that the work load of a waste water station is reduced, and the service life of treatment equipment of the waste water station is prolonged.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an acid regeneration desilication pressure filter waste liquid purification filtration system, includes waste water collecting vat, first ball valve, sedimentation tank, anaerobism pond, good oxygen filtering pond, membrane pond, waste water pit, waste water station, second ball valve, preliminary treatment waste liquid holding vessel and water pump, the water inlet of first ball valve is connected to the outlet of waste water collecting vat, the first water inlet of sedimentation tank is connected to the outlet of first ball valve, the water inlet of anaerobism pond is connected respectively through the three-way pipe to the outlet of sedimentation tank, the water inlet of good oxygen filtering pond is connected to the outlet of good oxygen filtering pond, the water inlet of membrane pond is connected to the outlet of good oxygen filtering pond, the water inlet of waste water pit is connected to the first outlet of membrane pond, the water inlet of waste water station is connected to the second outlet of membrane pond, the waste water station is used for filtering purification waste water, the water inlet of preliminary treatment waste liquid holding vessel is connected to the outlet of second ball valve, the water inlet of preliminary treatment waste liquid holding vessel is connected to the outlet of water pump, the second water inlet of sedimentation tank is connected to the outlet of water pump, the water pump is used for pumping the inside liquid of preliminary treatment holding vessel into the sedimentation tank.
Further, the liquid collected by the liquid collecting tank is regenerated acid liquid waste generated by the desilication filter press, and a filter plate for filtering massive sludge is arranged at the water outlet of the liquid collecting tank.
Further, the sedimentation tank and the wastewater pit are both used for precipitating solid sludge and impurities in the wastewater, and the precipitated wastewater is discharged through a water outlet.
Further, the liquid conveyed to the anaerobic tank by the second water outlet of the membrane tank is mixed liquid of nitrifying liquid and reaction sediment.
Further, the membrane tank is an MBR membrane tank.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
according to the utility model, the filter plate and the sedimentation tank are arranged to remove sludge in the regenerated acid waste liquid generated by the regenerated acid desilication filter press, so that the pipeline is prevented from being blocked, the work load of the pit pump is lightened, the anaerobic tank, the aerobic filter tank and the membrane tank are arranged to remove ammonia nitrogen waste liquid in the regenerated acid waste liquid, the work load of a waste water station is lightened, the second ball valve, the primary treatment waste liquid storage tank and the water pump are arranged, the regenerated acid waste liquid in the main pipeline is shunted, the storage amount of the waste liquid in the primary treatment waste liquid storage tank is regulated by controlling the switch of the second ball valve and the water pump, so that the flow of the regenerated acid waste liquid in the main pipeline is always kept in a reasonable range, the work load of the waste water station is lightened, and the service life of treatment equipment of the waste water station is prolonged.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of a system structure according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a waste liquid collection tank; 2. a first ball valve; 3. a sedimentation tank; 4. an anaerobic tank; 5. an aerobic filter tank; 6. a membrane pool; 7. a wastewater pit; 8. a waste water station; 9. a second ball valve; 10. a waste liquid storage tank for preliminary treatment; 11. and (3) a water pump.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, an acid regeneration desilication pressure filter waste liquid purification and filtration system comprises a waste water collecting tank 1, a first ball valve 2, a sedimentation tank 3, an anaerobic tank 4, an aerobic filter tank 5, a membrane tank 6, a waste water pit 7, a waste water station 8, a second ball valve 9, a preliminary treatment waste liquid storage tank 10 and a water pump 11, wherein a water outlet of the waste water collecting tank 1 is connected with a water inlet of the first ball valve 2, a water outlet of the first ball valve 2 is connected with a first water inlet of the sedimentation tank 3, a water outlet of the sedimentation tank 3 is respectively connected with a first water inlet of the anaerobic tank 4 and a water inlet of the second ball valve 9 through a three-way pipe, a water outlet of the anaerobic tank 4 is connected with a water inlet of the aerobic filter tank 5, a water outlet of the aerobic filter tank 5 is connected with a water inlet of the membrane tank 6, a first water outlet of the membrane tank 6 is connected with a water inlet of the waste water pit 7, a second water outlet of the membrane tank 6 is connected with a second water inlet of the anaerobic tank 4, a ball valve of the waste water pit 7 is connected with a water inlet of the waste water station 8, a water outlet of the waste water station 8 is used for filtering and purifying waste water, a water outlet of the second ball valve 9 is connected with a water inlet of the preliminary treatment waste liquid storage tank 10, the preliminary treatment water tank 10 is connected with a water inlet of the water pump 11 is connected with a water inlet of the sedimentation tank 11, and the water pump is connected with the water pump 11 is connected with the water inlet of the water pump 3 for the preliminary treatment waste liquid tank 3.
As an implementation mode, the liquid collected by the waste liquid collecting tank 1 is regenerated acid waste liquid generated by a desilication filter press, and a filter plate for filtering massive sludge is arranged at a water outlet of the waste liquid collecting tank 1.
As an embodiment, the sedimentation tank 3 and the waste water pit 7 are used for precipitating solid sludge and impurities in waste liquid, and the precipitated waste liquid is discharged through a water outlet.
As one embodiment, the liquid supplied to the anaerobic tank 4 through the second water outlet of the membrane tank 6 is a mixed liquid of nitrifying liquid and reaction precipitate.
As an embodiment, the membrane tank 6 is an MBR membrane tank;
the working flow of the utility model is as follows: the regenerated acid waste liquid flows through the water outlet of the waste liquid collecting tank 1, the filter plate blocks and filters the massive sludge carried in the regenerated acid waste liquid, the flowing regenerated acid waste liquid flows into the sedimentation tank 3 through the pipeline, the sedimentation tank 3 sedimentates sludge and impurities, the upper regenerated acid waste liquid continues to flow into the anaerobic tank 4, the aerobic tank 5 and the membrane tank 6, ammonia nitrogen waste liquid is removed after a series of reactions, a part of nitrifying liquid in the membrane tank 6 is mixed, the reaction sediment flows back into the anaerobic tank 4 together for 2 times of reactions, the regenerated acid waste liquid with ammonia nitrogen liquid removed is left to flow into the waste water pit 7, the reaction sediment in the regenerated acid waste liquid in the waste water pit 7 is precipitated, the upper regenerated acid waste liquid flows into the waste water station 8 for treatment, the second ball valve 9 is opened when the regenerated acid waste liquid flows into the anaerobic tank 4, a part of the regenerated acid waste liquid flows into the primary treatment waste liquid storage tank if the flow of the regenerated acid waste liquid in the main pipeline is larger, the water pump 11 is started to convey the regenerated acid waste liquid to the sedimentation tank 3 if the flow of the regenerated acid waste liquid in the main pipeline is smaller, the waste liquid in the main pipeline is controlled, the waste of the regenerated acid waste liquid in the main pipeline is fast is prevented, the waste of the purifying filter device is cleaned, and the sludge in the sedimentation tank 3 is cleaned at regular time.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (5)
1. The utility model provides an acid regeneration desilication pressure filter waste liquid purification filtration system, its characterized in that, including waste water collecting vat (1), first ball valve (2), sedimentation tank (3), anaerobism pond (4), aerobiotic filter pond (5), membrane pond (6), waste water pit (7), waste water station (8), second ball valve (9), preliminary treatment waste liquid holding vessel (10) and water pump (11), the water inlet of first ball valve (2) is connected to the outlet of waste water collecting vat (1), the first water inlet of sedimentation tank (3) is connected to the outlet of first ball valve (2), the water inlet of anaerobic pond (4) and the water inlet of second ball valve (9) are connected respectively through the three-way pipe to the outlet of sedimentation tank (3), the water inlet of aerobiotic filter pond (5) is connected to the outlet of anaerobism pond (4), the water inlet of membrane pond (6) is connected to the outlet of aerobiotic filter pond (5), the water inlet of waste water pit (7) is connected to the first outlet of membrane pond (6), the second water inlet of anaerobism pond (6) is connected to the second outlet of waste water pit (7) is connected to the water inlet of waste water tank (8), the outlet of preliminary treatment waste liquid holding vessel (10) is connected the water inlet of water pump (11), and the second water inlet of sedimentation tank (3) is connected to the outlet of water pump (11), water pump (11) are used for pumping sedimentation tank (3) into with the inside liquid pump of preliminary treatment waste liquid holding vessel (10).
2. The waste liquid purifying and filtering system of the acid regeneration desilication filter press according to claim 1, wherein the liquid collected by the waste liquid collecting tank (1) is regenerated acid waste liquid generated by the desilication filter press, and a filtering plate for filtering massive sludge is arranged at a water outlet of the waste liquid collecting tank (1).
3. The waste liquid purifying and filtering system of the acid regenerating desilication filter press according to claim 2, wherein the sedimentation tank (3) and the waste water pit (7) are used for precipitating solid sludge and impurities in the waste liquid, and the precipitated waste liquid is discharged through a water outlet.
4. The waste liquid purifying and filtering system of the acid regeneration desilication filter press according to claim 1, wherein the liquid which is delivered to the anaerobic tank (4) through the second water outlet of the membrane tank (6) is a mixed liquid of nitrifying liquid and reaction sediment.
5. The acid-regenerated desilication filter press waste liquid purification and filtration system of claim 1, wherein the membrane tank (6) is an MBR membrane tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321174597.2U CN219823945U (en) | 2023-05-16 | 2023-05-16 | Waste liquid purifying and filtering system of acid regeneration desilication filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321174597.2U CN219823945U (en) | 2023-05-16 | 2023-05-16 | Waste liquid purifying and filtering system of acid regeneration desilication filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823945U true CN219823945U (en) | 2023-10-13 |
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ID=88274487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321174597.2U Active CN219823945U (en) | 2023-05-16 | 2023-05-16 | Waste liquid purifying and filtering system of acid regeneration desilication filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823945U (en) |
-
2023
- 2023-05-16 CN CN202321174597.2U patent/CN219823945U/en active Active
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