CN211620293U - Acidic sewage treatment tank - Google Patents
Acidic sewage treatment tank Download PDFInfo
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- CN211620293U CN211620293U CN202020068950.9U CN202020068950U CN211620293U CN 211620293 U CN211620293 U CN 211620293U CN 202020068950 U CN202020068950 U CN 202020068950U CN 211620293 U CN211620293 U CN 211620293U
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- activated sludge
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- 239000010865 sewage Substances 0.000 title claims abstract description 104
- 230000002378 acidificating effect Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000010802 sludge Substances 0.000 claims abstract description 55
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 27
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 238000001728 nano-filtration Methods 0.000 claims description 9
- 238000001223 reverse osmosis Methods 0.000 claims description 9
- 238000000108 ultra-filtration Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000008929 regeneration Effects 0.000 abstract description 6
- 238000011069 regeneration method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model relates to the field of sewage treatment, in particular to an acidic sewage treatment tank, which comprises a sewage storage tank, wherein the sewage storage tank is communicated with a sewage adjusting tank; the sewage adjusting tank is communicated with a PH adjusting tank; the PH adjusting tank is communicated with an activated sludge oxidation tank; the activated sludge oxidation tank is communicated with a sedimentation tank; the sedimentation tank is communicated with a water purifying tank; the sedimentation tank is also communicated with a filter press; the water purifying tank is communicated with a combined filtering device; the combined filtering device comprises a filtering pipeline communicated with the clean water tank and a combined filtering core detachably connected in the filtering pipeline; the combined filtering device is communicated with a regenerated water storage tank. The utility model discloses can make sewage regeneration obtain the water that can recycle, have the higher effect of water resource utilization ratio. The problem of prior art exist water resource utilization and hang down is solved.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to an acidic sewage treatment pond.
Background
The newly purchased steel has rust formed by corrosion oxidation on the surface, and cannot be directly used for processing and manufacturing. One-step rust removal operation is firstly carried out between the processing of steel products. In the most common rust removal mode, operators remove rust through tools such as abrasive discs, needle guns, steel wire wheels and the like, harmful dust is generated in the rust removal process, the labor conditions of the operators are severe, the cleaning period is long, the effect is poor, and the stage for industrial rust removal is gradually faded out. In order to overcome the above problems, the related companies developed an environmentally friendly chemical rust removal method for removing rust. The chemical rust-removing method is a multi-process acid-washing method, and its general technological process is that the degreased and cleaned steel material is placed in the acid-washing tank, and the environment-protecting weak acid is placed in the acid-washing tank, so that the oxide skin and iron rust can be removed by soaking them. In order to prevent the steel from being oxidized again, a phosphating treatment is generally employed. In the steel rust removal process, acidic phosphorus-containing wastewater is generated, and the direct discharge can affect the environment and needs corresponding sewage treatment.
Notice No. CN105565545A discloses an acid sewage treatment plant, including the pH surge tank, sedimentation tank, filtering ponds and the adsorption tanks that loop through conduit coupling, the pH surge tank is equipped with pH monitor and temperature-sensing ware, the external side of jar of pH surge tank is equipped with the cooling water intermediate layer, the filtering ponds are provided with a plurality of filters, the adsorption tanks is provided with multilayer molecular sieve, there is agitating unit in the pH surge tank, all is equipped with the water pump between sedimentation tank, filtering ponds and the adsorption tanks.
The above prior art solutions have the following drawbacks: the water body in the prior art only reaches the ring-row standard and does not reach the water body recycling standard, and the utilization rate of the water body is low. In conclusion, the prior art has the problem of low utilization rate of water resources.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, one of the purposes of the utility model is to provide an acid sewage treatment pond, can make sewage regeneration obtain the water that can recycle, water resource utilization is higher.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an acidic sewage treatment tank comprises a sewage storage tank which is communicated with a sewage adjusting tank; the sewage adjusting tank is communicated with a PH adjusting tank; the PH adjusting tank is communicated with an activated sludge oxidation tank; the activated sludge oxidation tank is communicated with a sedimentation tank; the sedimentation tank is communicated with a water purifying tank; the sedimentation tank is also communicated with a filter press; the water purifying tank is communicated with a combined filtering device; the combined filtering device comprises a filtering pipeline communicated with the clean water tank and a combined filtering core detachably connected in the filtering pipeline; the combined filtering device is communicated with a regenerated water storage tank.
By adopting the technical scheme, the sewage in the sewage storage tank flows into the sewage adjusting tank to adjust the nonuniformity of the discharged sewage quantity and the water quality, so that a treatment structure with uniform and stable water quantity and water quality is achieved; the sewage in the sewage adjusting tank flows to a PH adjusting tank 3, and the PH value is adjusted to about 7; the sewage flows to an activated sludge oxidation tank to decompose organic matters in the sewage, and after the sewage is treated for 12 hours, the sewage flows to a sedimentation tank 5 to be subjected to standing sedimentation; the separated water flows to a purification tank, and the sludge is pumped to a filter press 500 for filter pressing treatment; the water that the water among the purification tank flows through filtering pipeline's combination and crosses the filter core and obtain the water that can recycle and store in the reclaimed water reservoir for subsequent use, the utility model discloses can make sewage regeneration obtain the water that can recycle, water resource utilization is higher.
The present invention may be further configured in a preferred embodiment as: a water conduit is connected between the clean water tank and the filtering pipeline; the water conduit is provided with a first centrifugal pump; the pipe end of the water conduit back to the first centrifugal pump is provided with a separation net for preventing the water conduit from being blocked.
Through adopting above-mentioned technical scheme, can effectively detach most particulate impurity and colloid in aquatic, alleviate combination filter equipment's load to promote combination filter equipment's life.
The present invention may be further configured in a preferred embodiment as: the combined filter element comprises an ultrafiltration filter element, a reverse osmosis filter element and a nanofiltration filter element which are sequentially arranged in the filter pipeline along the water flow direction.
By adopting the technical scheme, sewage can be efficiently purified, small-particle impurities, suspended colloid and mineral ions in the water body are removed, the water body which can be recycled is obtained, and the utilization rate of water resources is improved.
The present invention may be further configured in a preferred embodiment as: the filtering pipeline is provided with first electromagnetic valves positioned at two ends of the ultrafiltration filter element; the filtering pipeline is provided with second electromagnetic valves positioned at two ends of the reverse osmosis filter element; and the filtering pipeline is provided with third electromagnetic valves positioned at two ends of the nanofiltration filter element.
By adopting the technical scheme, the flow rate of the ultrafiltration filter element, the reverse osmosis filter element and the nanofiltration filter element for treating sewage is conveniently controlled, good purification efficiency is ensured, disassembly and maintenance are convenient, and the maintenance cost is reduced; the manual operation is not needed, and the labor cost can be reduced.
The present invention may be further configured in a preferred embodiment as: a first water guide pipe is arranged between the sewage storage tank and the sewage adjusting tank; the first water guide pipe is provided with a second centrifugal pump; a first filter screen for preventing the first water guide pipe from being blocked is arranged at the pipe end of the first water guide pipe back to the second centrifugal pump; a second water guide pipe is arranged between the sewage adjusting tank and the PH adjusting tank; the pipe end of the second water guide pipe back to the PH adjusting tank is provided with a second filter screen used for preventing the second water guide pipe from being blocked.
Through adopting above-mentioned technical scheme, can prevent first aqueduct and second aqueduct, guarantee whole smooth and easy operation.
The present invention may be further configured in a preferred embodiment as: the bottom of the activated sludge oxidation tank is rotatably connected with a stirring device which is used for fully contacting activated sludge with sewage; agitating unit is including wearing to establish the setting of activated sludge oxidation pond and inside be hollow seal installation spare, a plurality of rotation connect in seal installation spare and follow the agitator that seal installation spare length direction interval set up and connect and be used for driving agitator pivoted drive arrangement in the agitator.
Through adopting above-mentioned technical scheme, agitating unit stirs activated sewage for activated sludge and sewage carry out abundant contact, promote the decomposition efficiency to organic matter in the sewage, accelerate whole treatment effeciency to sewage.
The present invention may be further configured in a preferred embodiment as: the stirrer comprises a stirring rod rotatably connected to the sealing installation part, a stirring paddle fixedly connected to the circumferential direction of the stirring rod and a driven belt pulley fixedly connected to the circumferential direction of the stirring rod and positioned inside the sealing installation part; the driving device comprises a mounting frame arranged on one side of the activated sludge oxidation pond in the horizontal direction, a driving motor fixedly connected to the mounting frame, a driving belt pulley fixedly connected to an output shaft of the driving motor, and a belt arranged between the driving belt pulley and the driven belt pulley.
Through adopting above-mentioned technical scheme, a plurality of agitators of single motor drive rotate in step, simple structure, and manufacturing cost is lower, is applicable to the small and medium enterprise and uses.
The present invention may be further configured in a preferred embodiment as: a honeycomb filter screen for separating the activated sludge from the water body is arranged in the sedimentation tank; the sedimentation tank is provided with a water body area and a sedimentation sludge area; a third centrifugal pump for pumping activated sludge is arranged between the sludge settling area and the filter press.
By adopting the technical scheme, the sludge and the water body are effectively separated, so that a sludge extraction and precipitation area can conveniently enter a filter press for filter pressing treatment; conveniently carry the water in the water body region to the purification tank, promote whole sewage treatment efficiency.
To sum up, the utility model discloses a following beneficial technological effect:
through sewage storage pond, sewage equalizing basin, PH equalizing basin, activated sludge oxidation pond, sedimentation tank, clean water reservoir, combination filter equipment and regeneration water reservoir, the utility model discloses can make sewage regeneration obtain the water that can recycle, water resource utilization is rateed highly.
2. Through drive arrangement, agitator and drive arrangement, stir activated sewage for activated sludge and sewage carry out abundant contact, promote the decomposition efficiency to organic matter in the sewage, accelerate whole treatment effeciency to sewage.
3. The sludge and the water body are effectively separated through the honeycomb filter screen, so that a sludge extraction and precipitation area is convenient to enter a filter press for filter pressing treatment; conveniently carry the water in the water body region to the purification tank, promote whole sewage treatment efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1, showing primarily the agitator;
FIG. 3 is an enlarged view at B of FIG. 1, showing primarily the drive means;
fig. 4 is a schematic view of the structure of the combined filter device.
In the figure, 1, a sewage storage tank; 2. a sewage adjusting tank; 21. a first water conduit; 22. a second centrifugal pump; 23. a first filter screen; 24. a second water conduit; 25. a second filter screen; 3. a pH adjusting tank; 31. a conditioning agent storage tank; 4. an activated sludge oxidation tank; 40. a stirring device; 41. a seal mount; 42. a stirrer; 421. a stirring rod; 422. a stirring paddle; 423. a driven pulley; 43. a drive device; 431. a mounting frame; 432. a drive motor; 433. a drive pulley; 434. a belt; 44. an activated sludge input pipe; 5. a sedimentation tank; 50. a clear water tank; 500. a filter press; 51. a honeycomb filter screen; 52. a water body zone; 53. a sludge settling zone; 54. a third centrifugal pump; 55. a flocculant storage and removal tank; 6. a combination filter device; 61. a filtration pipeline; 611. a first filter cartridge; 612. a second filter cartridge; 613. a third filter cartridge; 62. combining the filter cores; 621. an ultrafiltration filter element; 622. a reverse osmosis filter element; 623. a nanofiltration filter element; 63. a water conduit; 631. a first centrifugal pump; 632. separating the net; 64. a first solenoid valve; 65. a second solenoid valve; 66. a third electromagnetic valve; 7. a reclaimed water storage tank; 8. a sewage treatment body; 81. a first device placement area; 82. a second device placement area.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an acidic sewage treatment pond, pour in the underground sewage treatment body 8 including cement an organic whole, sewage treatment body 8 includes from last to pouring the sewage storage pond 1 that forms down, with sewage storage pond 1 intercommunication and with sewage storage pond 1 be in same horizontal position's sewage equalizing basin 2, with sewage equalizing basin 2 intercommunication and be located the PH equalizing basin 3 of sewage equalizing basin 2 below, with PH equalizing basin 3 intercommunication and be located the active sludge oxidation pond 4 of PH equalizing basin 3 below, with active sludge oxidation pond 4 intercommunication and be located the sedimentation tank 5 of active sludge oxidation pond 4 below and with sedimentation tank 5 intercommunication and be located the sedimentation tank 5 below there is clean water basin 50, but this structure fully practices thrift occupation of land space and utilizes gravity to carry sewage, can practice thrift the electric energy. The sedimentation tank 5 is also communicated with a filter press 500 which is arranged on the ground and used for treating the sludge settled by standing; a first equipment placing area 81 is formed on one side of the sewage treatment body 8 in a pouring mode, and a second equipment placing area 82 is formed on the opposite side of the sewage treatment body 8 in a pouring mode; the clean water tank 50 is communicated with the combined filtering device 6 arranged in the second equipment placing area 82; the combined filter device 6 comprises a filter pipeline 61 communicated with the clean water tank 50, and a combined filter element 62 is detachably connected in the filter pipeline 61; the combined filtering device 6 is communicated with a reclaimed water reservoir 7 poured underground.
Referring to fig. 1, a honeycomb filter screen 51 for separating activated sludge and water is provided in the sedimentation tank 5; the sedimentation tank 5 is formed with a water body area 52 and a sedimentation sludge area 53; a third centrifugal pump 54 for extracting activated sludge and installed at the first equipment placing area 81 is provided between the precipitated sludge area 53 and the filter press 500. The outer wall of the sedimentation tank 5 is communicated with a flocculant storage tank 55 which is arranged in the second equipment placing area 82, and polyaluminium chloride is stored in the flocculant storage tank 55.
Referring to fig. 1 and fig. 4, the filtering pipe 61 is disposed in the second device placement area 82 in a serpentine shape, so as to increase the filtering pipe pass, improve the filtering effect, and fully utilize the space of the second device placement area 82. A water conduit 63 positioned in the second equipment placing area 82 is connected between the clean water basin 50 and the filtering pipe 61; the water conduit 63 is provided with a first centrifugal pump 631 positioned in the second equipment placing area 82, and the water in the clean water basin 50 is pumped to the combined filtering device 6 for filtering, so that reusable water is obtained. In order to prevent the filtration efficiency of the combined filter device 6 from being reduced due to the blockage of the water conduit 63, the water conduit 63 is provided with a separation net 632 back to the first centrifugal pump 631, and the mesh diameter of the separation net 632 is 10 microns, so that most of particle impurities and colloid in water can be effectively removed, and the load of the combined filter device 6 is reduced. The combined filter element 62 comprises an ultrafiltration filter element 621, a reverse osmosis filter element 622 and a nanofiltration filter element 623 which are sequentially arranged in the filter pipeline 61 along the water flow direction, and can effectively filter particle impurities, organic matters and mineral impurities in the water body to obtain a recyclable water body which is stored in the reclaimed water storage tank 7 for later use.
Referring to fig. 1, in conjunction with fig. 4, the detachable connection of the combined filter element 62: the filtering pipeline 61 is connected with a first filtering cylinder 611 in a threaded sealing manner; the ultrafiltration filter element 621 is mounted in the first filter cartridge 611; the filter pipe 61 is provided with first solenoid valves 64 respectively located at both ends of the first filter cartridge 611. A second filter cylinder 612 is connected to the filter pipeline 61 in a threaded sealing manner; a reverse osmosis filter element 622 is mounted within the second filter cartridge 612; the filtering pipe 61 is provided with second solenoid valves 65 respectively located at both ends of the second filter cartridge 612. A third filter cylinder 613 is connected to the filter pipeline 61 in a threaded sealing manner; the nanofiltration filter core 623 is installed in the third filter cartridge 613; the filter pipe 61 is provided with third solenoid valves 66 at both ends of the third filter cartridges 613, respectively.
Referring to fig. 1, a sewage storage tank 1 is communicated with a sewage adjusting tank 2 through a first water guide pipe 21; the first water guide pipe 21 is provided with a second centrifugal pump 22 which is arranged on the ground and is used for pumping the sewage in the sewage storage tank 1 to the sewage adjusting tank 2; to prevent the first water introduction duct 21 from being clogged; the end of the first water conduit 21 facing away from the second centrifugal pump 22 is provided with a first sieve 23. The sewage in the sewage adjusting pool 2 flows to the PH adjusting pool 3 through a second water guide pipe 24 under the action of gravity between the sewage adjusting pool 2 and the PH adjusting pool 3; in order to prevent the second water guiding pipe 24 from being clogged, the end of the second water guiding pipe 24 facing away from the PH adjusting tank 3 is provided with a second strainer 25. The regulator container 31 that communicates with PH equalizing basin 3 is installed to PH equalizing basin 3 outer wall, and the pH value that calcium carbonate is used for adjusting sewage is adorned in regulator container 31, adjusts to about 7, makes things convenient for the active sludge in the active sludge oxidation pond 4 to decompose the organic matter in the sewage.
Referring to fig. 1, a stirring device 40 for making the activated sludge sufficiently contact with the sewage is rotatably connected to the bottom of the activated sludge oxidation tank 4. Referring to fig. 2 and 3, the stirring device 40 includes a sealing device 41 with a hollow interior, a portion of the sealing device 41 is disposed through the activated sludge oxidation pond 4 and located in the first equipment placement area 81, and another portion of the sealing device 41 is located at the bottom of the activated sludge oxidation pond 4. Seal installation part 41 rotates along seal installation part 41 length direction and is connected with a plurality of mutual intervals and the same agitator 42 of interval, and the stirring makes the organic matter in activated sludge and the water fully contact for decompose the organic matter, promote sewage treatment efficiency. The agitator 42 is connected with a driving device 43 for driving the agitator 42 to rotate. The outer wall of the activated sludge oxidation pond 4 is communicated with an activated sludge input pipe 44 which is arranged in the first equipment placing area 81.
Referring to fig. 2, the agitator 42 includes an agitator shaft 421 rotatably connected to the sealing mounting member 41, a portion of the agitator shaft 421 is sealingly inserted into the sealing mounting member 41 and is circumferentially and fixedly connected with an agitator paddle 422, and another portion of the agitator shaft 421 is located in the sealing mounting member 41 and is circumferentially and fixedly connected with a driven pulley 423. Referring to fig. 3, the driving means 43 includes a mounting bracket 431 installed at the first equipment placing region 81 on a horizontal side of the activated sludge oxidation pond 4, and a driving motor 432 is fixedly connected to the mounting bracket 431; an output shaft of the driving motor 432 is fixedly connected with a driving belt pulley 433, and the driving belt pulley 433 and the driven belt pulley 423 are positioned in the same horizontal plane; a belt 434 installed in the seal mount 41 is provided between the drive pulley 433 and the driven pulley 423.
The utility model discloses an operation demonstration: under the action of the second centrifugal pump 22, the sewage in the sewage storage tank 1 flows into the sewage adjusting tank 2 to adjust the nonuniformity of the discharged sewage quantity and the water quality, so that a treatment structure with uniform and stable water quantity and water quality is achieved; the sewage in the sewage adjusting tank 2 flows to the PH adjusting tank 3 through the second water guide pipe 24 under the action of gravity and flows to the PH adjusting tank; putting calcium carbonate in a regulator storage tank 31 into the sewage to regulate the pH value of the sewage to about 7; sewage flows to an activated sludge oxidation tank 4, activated sewage is input into an activated sludge input pipe 44, a driving device 43 is started to drive a stirrer 42 to rotate, organic matters in the sewage are decomposed, and after 12 hours of treatment, the sewage flows to a sedimentation tank 5; adding the polyaluminium chloride in the flocculant storage box 55 into the sedimentation tank 5, and standing and precipitating; the separated water flows to the clean water tank 50, and the sludge is pumped to the filter press 500 by the third centrifugal pump 54 for filter pressing treatment; the water in the clean water reservoir 50 flows through the ultrafiltration filter 621, the reverse osmosis filter 622 and the nanofiltration filter 623 under the action of the first centrifugal pump 631 to obtain reusable water, and the reusable water is stored in the regeneration water reservoir 7 for later use.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. An acid sewage treatment pond which is characterized in that: comprises a sewage storage tank (1), the sewage storage tank (1) is communicated with a sewage adjusting tank (2); the sewage adjusting tank (2) is communicated with a PH adjusting tank (3); the PH adjusting tank (3) is communicated with an activated sludge oxidation tank (4); the activated sludge oxidation tank (4) is communicated with a sedimentation tank (5); the sedimentation tank (5) is communicated with a water purifying tank (50); the sedimentation tank (5) is also communicated with a filter press (500); the clean water tank (50) is communicated with a combined filtering device (6); the combined filtering device (6) comprises a filtering pipeline (61) communicated with the clean water tank (50) and a combined filtering core (62) detachably connected in the filtering pipeline (61); the combined filtering device (6) is communicated with a reclaimed water storage pool (7).
2. An acidic sewage treatment tank according to claim 1, wherein: a water conduit (63) is connected between the clean water tank (50) and the filtering pipeline (61); a first centrifugal pump (631) is arranged on the water conduit (63); the pipe end of the water conduit (63) back to the first centrifugal pump (631) is provided with a screen (632) for preventing the water conduit (63) from being blocked.
3. An acidic sewage treatment tank according to claim 2, wherein: the combined filter element (62) comprises an ultrafiltration filter element (621), a reverse osmosis filter element (622) and a nanofiltration filter element (623) which are sequentially arranged in the filter pipeline (61) along the water flow direction.
4. An acidic sewage treatment tank according to claim 3, wherein: the filtering pipeline (61) is provided with first electromagnetic valves (64) positioned at two ends of the ultrafiltration filter element (621); the filtering pipeline (61) is provided with second electromagnetic valves (65) positioned at two ends of the reverse osmosis filter element (622); the filtering pipeline (61) is provided with third electromagnetic valves (66) which are positioned at two ends of the nanofiltration filter core (623).
5. An acidic sewage treatment tank according to claim 1, wherein: a first water guide pipe (21) is arranged between the sewage storage tank (1) and the sewage adjusting tank (2); a second centrifugal pump (22) is arranged on the first water guide pipe (21); a first filter screen (23) used for preventing the first water guide pipe (21) from being blocked is arranged at the pipe end of the first water guide pipe (21) back to the second centrifugal pump (22); a second water guide pipe (24) is arranged between the sewage adjusting tank (2) and the PH adjusting tank (3); the pipe end of the second water guide pipe (24) back to the PH regulating tank (3) is provided with a second filter screen (25) used for preventing the second water guide pipe (24) from being blocked.
6. An acidic sewage treatment tank according to claim 5, wherein: the bottom of the activated sludge oxidation tank (4) is rotationally connected with a stirring device (40) which is used for enabling the activated sludge to be in full contact with the sewage; the stirring device (40) comprises a hollow sealing installation part (41) which is arranged by penetrating through the activated sludge oxidation pond (4), a plurality of stirrers (42) which are rotatably connected to the sealing installation part (41) and are arranged at intervals along the length direction of the sealing installation part (41), and a driving device (43) which is connected to the stirrers (42) and is used for driving the stirrers (42) to rotate.
7. An acidic sewage treatment tank according to claim 6, wherein: the stirrer (42) comprises a stirring rod (421) rotatably connected to the sealing installation part (41), a stirring paddle (422) fixedly connected to the circumferential direction of the stirring rod (421) and a driven pulley (423) fixedly connected to the circumferential direction of the stirring rod (421) and positioned inside the sealing installation part (41); the driving device (43) comprises a mounting frame (431) arranged on one horizontal side of the activated sludge oxidation pond (4), a driving motor (432) fixedly connected to the mounting frame (431), a driving pulley (433) fixedly connected to an output shaft of the driving motor (432), and a belt (434) arranged between the driving pulley (433) and the driven pulley (423).
8. An acidic sewage treatment tank according to claim 7, wherein: a honeycomb filter screen (51) for separating activated sludge from a water body is arranged in the sedimentation tank (5); the sedimentation tank (5) is provided with a water body area (52) and a sedimentation sludge area (53); a third centrifugal pump (54) for extracting activated sludge is arranged between the sludge settling area (53) and the filter press (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068950.9U CN211620293U (en) | 2020-01-14 | 2020-01-14 | Acidic sewage treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068950.9U CN211620293U (en) | 2020-01-14 | 2020-01-14 | Acidic sewage treatment tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211620293U true CN211620293U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020068950.9U Expired - Fee Related CN211620293U (en) | 2020-01-14 | 2020-01-14 | Acidic sewage treatment tank |
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| Country | Link |
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| CN (1) | CN211620293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045145A (en) * | 2021-05-07 | 2021-06-29 | 辰铭善川(重庆)科技发展有限公司 | Sequencing batch aeration sewage treatment system and method for ship |
-
2020
- 2020-01-14 CN CN202020068950.9U patent/CN211620293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045145A (en) * | 2021-05-07 | 2021-06-29 | 辰铭善川(重庆)科技发展有限公司 | Sequencing batch aeration sewage treatment system and method for ship |
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